1.
.30-06 Springfield
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The.30 refers to the caliber of the bullet, and the 06 refers to the year the cartridge was adopted—1906. It replaced the. 30-03, 6mm Lee Navy, and. 30-40 Krag cartridges and it remains a very popular sporting round, with ammunition produced by all major manufacturers. In the early 1890s, the U. S. military adopted the smokeless powder. 30-40 Krag rimmed cartridge, the 1894 version of that cartridge used a 220-grain round-nose bullet. Around 1901, the U. S. started developing an experimental rimless cartridge for a Mauser action with box magazine and that led to the 1903. 30-03 rimless service round that used the same 220-grain round-nose bullet as the Krag. The. 30-03 achieved a velocity of 2,300 ft/s. Consequently, the round-nosed U. S. 30-03 service cartridge was falling behind. For these reasons, the U. S. military developed a new, lighter, cartridge in 1906, the cartridge was loaded with Military Rifle 21 propellant, and its maximum range was claimed to be 4,700 yd. The M1903 Springfield rifle, which had been introduced alongside the. 30-03 cartridge, was modified to accept the new. 30-06 Springfield cartridge. Modifications to the rifle included shortening the barrel at its breech and resizing the chamber, other changes to the rifle included elimination of the troublesome rod bayonet of the earlier Springfield rifles. The M1906 maximum range was originally overstated, when the M1906 cartridge was developed, the range tests had been done to only 1,800 yards, distances beyond that were estimated, but the estimate for extreme range was wrong by almost 40 percent. The range discrepancy became evident during World War I, before the widespread employment of light mortars and artillery, long-range machine gun barrage or indirect fires were considered important in U. S. infantry tactics. When the US entered World War I, it did not have machine guns, so it acquired British. When those weapons were replaced with US machine guns firing the M1906 round. Firing tests performed around 1918 at Borden Brook Reservoir, Miami, patrone was inroduced in 1914 and used a 197. 5-grain s. S. - schweres Spitzgeschoß boat-tail bullet which had a maximum range of approximately 5,140 yd. Its maximum range was approximately 5,500 yd. Additionally, wartime surplus totaled over 2 billion rounds of ammunition. Army regulations called for training use of the oldest ammunition first, as a result, the older. 30-06 ammunition was expended for training, stocks of.30 M1 Ball ammunition were allowed to slowly grow until all of the older M1906 ammunition had been fired. By 1936, it was discovered that the range of the.30 M1 Ball ammunition with its boat-tailed spitzer bullets was beyond the safety limitations of many ranges. An emergency order was made to manufacture quantities of ammunition that matched the ballistics of the earlier M1906 cartridge as soon as possible
2.
.308 Winchester
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The.308 Winchester is a rimless, bottlenecked rifle cartridge and is the commercial cartridge from which the 7. 62×51mm NATO round was derived. The.308 Winchester was introduced in 1952, two prior to the NATO adoption of the 7. 62×51mm NATO T65. Winchester branded the cartridge and introduced it to the hunting market as the.308 Winchester. Winchesters Model 70 and Model 88 rifles were chambered for the new cartridge. Since then, the.308 Winchester has become the most popular short-action and it is also commonly used for civilian hunting, target shooting, Metallic Silhouette, bench rest target shooting, palma, metal matches and military sniping, and police sharpshooting. The relatively short case makes the.308 Winchester especially well-adapted for short-action rifles, when loaded with a bullet that expands, tumbles, or fragments in tissue, this cartridge is capable of high terminal performance. Their interchange is, however, considered safe by the Sporting Arms, the.308 Winchester has 3.64 ml cartridge case capacity. The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt action rifles and machine guns alike, all dimensions in millimeters and inches. Americans would define the angle at alpha/2 =20 degrees. The common rifling twist rate for this cartridge is 305 mm,4 grooves, Ø lands =7.62 mm, Ø grooves =7.82 mm, land width =4.47 mm and the primer type is large rifle. Rulings the.308 Winchester can handle up to 415.00 MPa Pmax piezo pressure, regulated countries every rifle cartridge combo has to be proofed at 125% of this maximum C. I. P. pressure to certify for sale to consumers. This means that.308 Winchester chambered arms in C. I. P, regulated countries are currently proof tested at 519.00 MPa PE piezo pressure. North American SAAMI maximum pressure for the 308 Winchester is 62,000 PSI, the.308 Winchester is one of the most popular hunting cartridges in the United States, and possibly the world. It has gained popularity in countries as an exceptional cartridge for game in the medium- to large-sized class. In North America it is used extensively on whitetail deer, pronghorn, clay Harvey, an American gun writer, says it is usable on moose and elk. Layne Simpson, an American who has hunted in Sweden, says he is surprised how many hunters there use the cartridge, craig Boddington was told by a Norma Precision executive that the.308 is one of Normas best-selling calibers. In Africa the.308 Win is one of the most popular calibers among Bushveld hunters and is used on anything from duiker right up to the massive eland. The.308 Winchester has slightly more drop at range than the. 30-06 Springfield
3.
Rifle
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A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves cut into the barrel walls. The raised areas of the rifling are called lands, which contact with the projectile. When the projectile leaves the barrel, this spin lends gyroscopic stability to the projectile and prevents tumbling and this allows the use of aerodynamically-efficient bullets and thus improves range and accuracy. The word rifle originally referred to the grooving, and a rifle was called a rifled gun, the word rifle is now used for any long hand-held aimed device activated by a trigger, such as Air rifles and the Personnel halting and stimulation response rifle. Rifles are used in warfare, hunting and shooting sports, formerly, rifles only fired a single projectile with each squeeze of the trigger. Modern rifles are capable of firing more than one round per trigger squeeze, some fire in an automatic mode. Thus, modern automatic rifles overlap to some extent in design, in fact, many light machine guns are adaptations of existing automatic rifle designs. A militarys light machine guns are chambered for the same caliber ammunition as its service rifles. Generally, the difference between a rifle and a machine gun comes down to weight, cooling system. Modern military rifles are fed by magazines, while machine guns are generally belt-fed, many machine guns allow the operator to quickly exchange barrels in order to prevent overheating, whereas rifles generally do not. Most machine guns fire from a bolt in order to reduce the danger of cook-off. Machine guns are often crewed by more than one soldier, the rifle is an individual weapon, the term rifle is sometimes used to describe larger crew-served rifled weapons firing explosive shells, for example, recoilless rifles. In many works of fiction a rifle refers to any weapon that has a stock and is shouldered before firing, the origins of rifling are difficult to trace, but some of the earliest practical experiments seem to have occurred in Europe during the 15th century. Archers had long realized that a twist added to the feathers of their arrows gave them greater accuracy. This might also have led to a increase in accuracy. Rifles were created as an improvement in the accuracy of smooth bore muskets, the black powder used in early muzzle-loading rifles quickly fouled the barrel, making loading slower and more difficult. Since musketeers could not afford to take the time to stop and clean their barrels in the middle of a battle, rifles were limited to use by sharpshooters, muskets were smoothbore, large caliber weapons using ball-shaped ammunition fired at relatively low velocity. Due to the high cost and great difficulty of manufacturing, and the need to load readily from the muzzle
4.
German Empire
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The German Empire was the historical German nation state that existed from the unification of Germany in 1871 to the abdication of Kaiser Wilhelm II in 1918, when Germany became a federal republic. The German Empire consisted of 26 constituent territories, with most being ruled by royal families and this included four kingdoms, six grand duchies, five duchies, seven principalities, three free Hanseatic cities, and one imperial territory. Although Prussia became one of kingdoms in the new realm, it contained most of its population and territory. Its influence also helped define modern German culture, after 1850, the states of Germany had rapidly become industrialized, with particular strengths in coal, iron, chemicals, and railways. In 1871, it had a population of 41 million people, and by 1913, a heavily rural collection of states in 1815, now united Germany became predominantly urban. During its 47 years of existence, the German Empire operated as an industrial, technological, Germany became a great power, boasting a rapidly growing rail network, the worlds strongest army, and a fast-growing industrial base. In less than a decade, its navy became second only to Britains Royal Navy, after the removal of Chancellor Otto von Bismarck by Wilhelm II, the Empire embarked on a bellicose new course that ultimately led to World War I. When the great crisis of 1914 arrived, the German Empire had two allies, Italy and the Austro-Hungarian Empire, Italy, however, left the once the First World War started in August 1914. In the First World War, German plans to capture Paris quickly in autumn 1914 failed, the Allied naval blockade caused severe shortages of food. Germany was repeatedly forced to send troops to bolster Austria and Turkey on other fronts, however, Germany had great success on the Eastern Front, it occupied large Eastern territories following the Treaty of Brest-Litovsk. German declaration of unrestricted submarine warfare in early 1917 was designed to strangle the British, it failed, but the declaration—along with the Zimmermann Telegram—did bring the United States into the war. Meanwhile, German civilians and soldiers had become war-weary and radicalised by the Russian Revolution and this failed, and by October the armies were in retreat, Austria-Hungary and the Ottoman Empire had collapsed, Bulgaria had surrendered and the German people had lost faith in their political system. The Empire collapsed in the November 1918 Revolution as the Emperor and all the ruling monarchs abdicated, and a republic took over. The German Confederation had been created by an act of the Congress of Vienna on 8 June 1815 as a result of the Napoleonic Wars, German nationalism rapidly shifted from its liberal and democratic character in 1848, called Pan-Germanism, to Prussian prime minister Otto von Bismarcks pragmatic Realpolitik. He envisioned a conservative, Prussian-dominated Germany, the war resulted in the Confederation being partially replaced by a North German Confederation in 1867, comprising the 22 states north of the Main. The new constitution and the title Emperor came into effect on 1 January 1871, during the Siege of Paris on 18 January 1871, William accepted to be proclaimed Emperor in the Hall of Mirrors at the Palace of Versailles. The second German Constitution was adopted by the Reichstag on 14 April 1871 and proclaimed by the Emperor on 16 April, the political system remained the same. The empire had a parliament called the Reichstag, which was elected by universal male suffrage, however, the original constituencies drawn in 1871 were never redrawn to reflect the growth of urban areas
5.
Germany
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Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It includes 16 constituent states, covers an area of 357,021 square kilometres, with about 82 million inhabitants, Germany is the most populous member state of the European Union. After the United States, it is the second most popular destination in the world. Germanys capital and largest metropolis is Berlin, while its largest conurbation is the Ruhr, other major cities include Hamburg, Munich, Cologne, Frankfurt, Stuttgart, Düsseldorf and Leipzig. Various Germanic tribes have inhabited the northern parts of modern Germany since classical antiquity, a region named Germania was documented before 100 AD. During the Migration Period the Germanic tribes expanded southward, beginning in the 10th century, German territories formed a central part of the Holy Roman Empire. During the 16th century, northern German regions became the centre of the Protestant Reformation, in 1871, Germany became a nation state when most of the German states unified into the Prussian-dominated German Empire. After World War I and the German Revolution of 1918–1919, the Empire was replaced by the parliamentary Weimar Republic, the establishment of the national socialist dictatorship in 1933 led to World War II and the Holocaust. After a period of Allied occupation, two German states were founded, the Federal Republic of Germany and the German Democratic Republic, in 1990, the country was reunified. In the 21st century, Germany is a power and has the worlds fourth-largest economy by nominal GDP. As a global leader in industrial and technological sectors, it is both the worlds third-largest exporter and importer of goods. Germany is a country with a very high standard of living sustained by a skilled. It upholds a social security and universal health system, environmental protection. Germany was a member of the European Economic Community in 1957. It is part of the Schengen Area, and became a co-founder of the Eurozone in 1999, Germany is a member of the United Nations, NATO, the G8, the G20, and the OECD. The national military expenditure is the 9th highest in the world, the English word Germany derives from the Latin Germania, which came into use after Julius Caesar adopted it for the peoples east of the Rhine. This in turn descends from Proto-Germanic *þiudiskaz popular, derived from *þeudō, descended from Proto-Indo-European *tewtéh₂- people, the discovery of the Mauer 1 mandible shows that ancient humans were present in Germany at least 600,000 years ago. The oldest complete hunting weapons found anywhere in the world were discovered in a mine in Schöningen where three 380, 000-year-old wooden javelins were unearthed
6.
Spain
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By population, Spain is the sixth largest in Europe and the fifth in the European Union. Spains capital and largest city is Madrid, other urban areas include Barcelona, Valencia, Seville, Bilbao. Modern humans first arrived in the Iberian Peninsula around 35,000 years ago, in the Middle Ages, the area was conquered by Germanic tribes and later by the Moors. Spain is a democracy organised in the form of a government under a constitutional monarchy. It is a power and a major developed country with the worlds fourteenth largest economy by nominal GDP. Jesús Luis Cunchillos argues that the root of the span is the Phoenician word spy. Therefore, i-spn-ya would mean the land where metals are forged, two 15th-century Spanish Jewish scholars, Don Isaac Abravanel and Solomon ibn Verga, gave an explanation now considered folkloric. Both men wrote in two different published works that the first Jews to reach Spain were brought by ship by Phiros who was confederate with the king of Babylon when he laid siege to Jerusalem. This man was a Grecian by birth, but who had given a kingdom in Spain. He became related by marriage to Espan, the nephew of king Heracles, Heracles later renounced his throne in preference for his native Greece, leaving his kingdom to his nephew, Espan, from whom the country of España took its name. Based upon their testimonies, this eponym would have already been in use in Spain by c.350 BCE, Iberia enters written records as a land populated largely by the Iberians, Basques and Celts. Early on its coastal areas were settled by Phoenicians who founded Western Europe´s most ancient cities Cadiz, Phoenician influence expanded as much of the Peninsula was eventually incorporated into the Carthaginian Empire, becoming a major theater of the Punic Wars against the expanding Roman Empire. After an arduous conquest, the peninsula came fully under Roman Rule, during the early Middle Ages it came under Germanic rule but later, much of it was conquered by Moorish invaders from North Africa. In a process took centuries, the small Christian kingdoms in the north gradually regained control of the peninsula. The last Moorish kingdom fell in the same year Columbus reached the Americas, a global empire began which saw Spain become the strongest kingdom in Europe, the leading world power for a century and a half, and the largest overseas empire for three centuries. Continued wars and other problems led to a diminished status. The Napoleonic invasions of Spain led to chaos, triggering independence movements that tore apart most of the empire, eventually democracy was peacefully restored in the form of a parliamentary constitutional monarchy. Spain joined the European Union, experiencing a renaissance and steady economic growth
7.
Czechoslovakia
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From 1939 to 1945, following its forced division and partial incorporation into Nazi Germany, the state did not de facto exist but its government-in-exile continued to operate. From 1948 to 1990, Czechoslovakia was part of the Soviet bloc with a command economy and its economic status was formalized in membership of Comecon from 1949, and its defense status in the Warsaw Pact of May 1955. A period of liberalization in 1968, known as the Prague Spring, was forcibly ended when the Soviet Union, assisted by several other Warsaw Pact countries. In 1993, Czechoslovakia split into the two states of the Czech Republic and Slovakia. Form of state 1918–1938, A democratic republic, 1938–1939, After annexation of Sudetenland by Nazi Germany in 1938, the region gradually turned into a state with loosened connections among the Czech, Slovak, and Ruthenian parts. A large strip of southern Slovakia and Carpatho-Ukraine was annexed by Hungary, 1939–1945, The region was split into the Protectorate of Bohemia and Moravia and the Slovak Republic. A government-in-exile continued to exist in London, supported by the United Kingdom, United States and its Allies, after the German invasion of Russia, Czechoslovakia adhered to the Declaration by United Nations and was a founding member of the United Nations. 1946–1948, The country was governed by a government with communist ministers, including the prime minister. Carpathian Ruthenia was ceded to the Soviet Union, 1948–1989, The country became a socialist state under Soviet domination with a centrally planned economy. In 1960, the country became a socialist republic, the Czechoslovak Socialist Republic. It was a state of the Soviet Union. 1989–1990, The federal republic consisted of the Czech Socialist Republic, 1990–1992, Following the Velvet Revolution, the state was renamed the Czech and Slovak Federal Republic, consisting of the Czech Republic and the Slovak Republic. Neighbours Austria 1918–1938, 1945–1992 Germany Hungary Poland Romania 1918–1938 Soviet Union 1945–1991 Ukraine 1991–1992 Topography The country was of irregular terrain. The western area was part of the north-central European uplands, the eastern region was composed of the northern reaches of the Carpathian Mountains and lands of the Danube River basin. Climate The weather is mild winters and mild summers, influenced by the Atlantic Ocean from the west, Baltic Sea from the north, and Mediterranean Sea from the south. The area was long a part of the Austro Hungarian Empire until the Empire collapsed at the end of World War I, the new state was founded by Tomáš Garrigue Masaryk, who served as its first president from 14 November 1918 to 14 December 1935. He was succeeded by his ally, Edvard Beneš. The roots of Czech nationalism go back to the 19th century, nationalism became a mass movement in the last half of the 19th century
8.
Poland
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Poland, officially the Republic of Poland, is a country in Central Europe, situated between the Baltic Sea in the north and two mountain ranges in the south. Bordered by Germany to the west, the Czech Republic and Slovakia to the south, Ukraine and Belarus to the east, the total area of Poland is 312,679 square kilometres, making it the 69th largest country in the world and the 9th largest in Europe. With a population of over 38.5 million people, Poland is the 34th most populous country in the world, the 8th most populous country in Europe, Poland is a unitary state divided into 16 administrative subdivisions, and its capital and largest city is Warsaw. Other metropolises include Kraków, Wrocław, Poznań, Gdańsk and Szczecin, the establishment of a Polish state can be traced back to 966, when Mieszko I, ruler of a territory roughly coextensive with that of present-day Poland, converted to Christianity. The Kingdom of Poland was founded in 1025, and in 1569 it cemented a political association with the Grand Duchy of Lithuania by signing the Union of Lublin. This union formed the Polish–Lithuanian Commonwealth, one of the largest and most populous countries of 16th and 17th century Europe, Poland regained its independence in 1918 at the end of World War I, reconstituting much of its historical territory as the Second Polish Republic. In September 1939, World War II started with the invasion of Poland by Nazi Germany, followed thereafter by invasion by the Soviet Union. More than six million Polish citizens died in the war, after the war, Polands borders were shifted westwards under the terms of the Potsdam Conference. With the backing of the Soviet Union, a communist puppet government was formed, and after a referendum in 1946. During the Revolutions of 1989 Polands Communist government was overthrown and Poland adopted a new constitution establishing itself as a democracy, informally called the Third Polish Republic. Since the early 1990s, when the transition to a primarily market-based economy began, Poland has achieved a high ranking on the Human Development Index. Poland is a country, which was categorised by the World Bank as having a high-income economy. Furthermore, it is visited by approximately 16 million tourists every year, Poland is the eighth largest economy in the European Union and was the 6th fastest growing economy on the continent between 2010 and 2015. According to the Global Peace Index for 2014, Poland is ranked 19th in the list of the safest countries in the world to live in. The origin of the name Poland derives from a West Slavic tribe of Polans that inhabited the Warta River basin of the historic Greater Poland region in the 8th century, the origin of the name Polanie itself derives from the western Slavic word pole. In some foreign languages such as Hungarian, Lithuanian, Persian and Turkish the exonym for Poland is Lechites, historians have postulated that throughout Late Antiquity, many distinct ethnic groups populated the regions of what is now Poland. The most famous archaeological find from the prehistory and protohistory of Poland is the Biskupin fortified settlement, dating from the Lusatian culture of the early Iron Age, the Slavic groups who would form Poland migrated to these areas in the second half of the 5th century AD. With the Baptism of Poland the Polish rulers accepted Christianity and the authority of the Roman Church
9.
Dominican Republic
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The Dominican Republic is a sovereign state occupying the eastern two-thirds of the island of Hispaniola, in the Greater Antilles archipelago in the Caribbean region. The western one-third of the island is occupied by the nation of Haiti, christopher Columbus landed on the Western part of Hispaniola, in what is now Haiti, on December 6,1492. The island became the first seat of the Spanish colonial rule in the New World, the Dominican people declared independence in November 1821 but were forcefully annexed by their more powerful neighbor Haiti in February 1822. After the 1844 victory in the Dominican War of Independence against Haitian rule the country again under Spanish colonial rule until the Dominican War of Restoration of 1865. The Dominican Republic experienced mostly internal strife until 1916, a civil war in 1965, the countrys last, was ended by another U. S. military occupation and was followed by the authoritarian rule of Joaquín Balaguer, 1966–1978. Since then, the Dominican Republic has moved toward representative democracy and has been led by Leonel Fernández for most of the time since 1996. Danilo Medina, the Dominican Republics current president, succeeded Fernandez in 2012, the Dominican Republic has the ninth-largest economy in Latin America and is the largest economy in the Caribbean and Central American region. Though long known for agriculture and mining, the economy is now dominated by services. Over the last two decades, the Dominican Republic have been standing out as one of the economies in the Americas – with an average real GDP growth rate of 5. 4% between 1992 and 2014. GDP growth in 2014 and 2015 reached 7.3 and 7. 0%, respectively, in the first half of 2016 the Dominican economy grew 7. 4% continuing its trend of rapid economic growth. Recent growth has been driven by construction, manufacturing and tourism, private consumption has been strong, as a result of low inflation, job creation, as well as high level of remittances. The Dominican Republic has a market, Bolsa de Valores de la Republica Dominicana. and advanced telecommunication system. Nevertheless, unemployment, government corruption, and inconsistent electric service remain major Dominican problems, the country also has marked income inequality. International migration affects the Dominican Republic greatly, as it receives, mass illegal Haitian immigration and the integration of Dominicans of Haitian descent are major issues. A large Dominican diaspora exists, mostly in the United States, contributes to development, the Dominican Republic is the most visited destination in the Caribbean. The year-round golf courses are major attractions, the island has an average temperature of 26 °C and great climatic and biological diversity. The country is also the site of the first cathedral, castle, monastery, and fortress built in all of the Americas, located in Santo Domingos Colonial Zone, a World Heritage Site. Music and sport are of importance in the Dominican culture, with Merengue and Bachata as the national dance and music
10.
Yugoslavia
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Yugoslavia was a country in Southeast Europe during most of the 20th century. The Serbian royal House of Karađorđević became the Yugoslav royal dynasty, Yugoslavia gained international recognition on 13 July 1922 at the Conference of Ambassadors in Paris. The country was named after the South Slavic peoples and constituted their first union, following centuries in which the territories had been part of the Ottoman Empire, renamed the Kingdom of Yugoslavia on 3 October 1929, it was invaded by the Axis powers on 6 April 1941. In 1943, a Democratic Federal Yugoslavia was proclaimed by the Partisan resistance, in 1944, the king recognised it as the legitimate government, but in November 1945 the monarchy was abolished. Yugoslavia was renamed the Federal Peoples Republic of Yugoslavia in 1946 and it acquired the territories of Istria, Rijeka, and Zadar from Italy. Partisan leader Josip Broz Tito ruled the country as president until his death in 1980, in 1963, the country was renamed again as the Socialist Federal Republic of Yugoslavia. The constituent six socialist republics that made up the country were the SR Bosnia and Herzegovina, SR Croatia, SR Macedonia, SR Montenegro, SR Serbia, and SR Slovenia. Serbia contained two Socialist Autonomous Provinces, Vojvodina and Kosovo, which after 1974 were largely equal to the members of the federation. After an economic and political crisis in the 1980s and the rise of nationalism, Yugoslavia broke up along its republics borders, at first into five countries, eventually, Serbia and Montenegro accepted the opinion of the Badinter Arbitration Committee about shared succession. Serbia and Montenegro themselves broke up in 2006 and became independent states, the concept of Yugoslavia, as a single state for all South Slavic peoples, emerged in the late 17th century and gained prominence through the Illyrian Movement of the 19th century. The name was created by the combination of the Slavic words jug, Yugoslavia was the result of the Corfu Declaration, as a project of the Serbian Parliament in exile and the Serbian royal Karađorđević dynasty, who became the Yugoslav royal dynasty. The country was formed in 1918 immediately after World War I as the Kingdom of Serbs, Croats and Slovenes by union of the State of Slovenes, Croats and Serbs and it was commonly referred to at the time as the Versailles state. Later, the government renamed the country leading to the first official use of Yugoslavia in 1929, on 6 January 1929 King Alexander I suspended the constitution, banned national political parties, assumed executive power and renamed the country Yugoslavia. He hoped to curb separatist tendencies and mitigate nationalist passions and he imposed a new constitution and relinquished his dictatorship in 1931. None of these three regimes favored the policy pursued by Alexander I, Alexander attempted to create a centralised Yugoslavia. He decided to abolish Yugoslavias historic regions, and new internal boundaries were drawn for provinces or banovinas, the banovinas were named after rivers. Many politicians were jailed or kept under police surveillance, the effect of Alexanders dictatorship was to further alienate the non-Serbs from the idea of unity. During his reign the flags of Yugoslav nations were banned, Alexander was succeeded by his eleven-year-old son Peter II and a regency council headed by his cousin, Prince Paul
11.
Ottoman Empire
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After 1354, the Ottomans crossed into Europe, and with the conquest of the Balkans the Ottoman Beylik was transformed into a transcontinental empire. The Ottomans ended the Byzantine Empire with the 1453 conquest of Constantinople by Mehmed the Conqueror, at the beginning of the 17th century the empire contained 32 provinces and numerous vassal states. Some of these were later absorbed into the Ottoman Empire, while others were granted various types of autonomy during the course of centuries. With Constantinople as its capital and control of lands around the Mediterranean basin, while the empire was once thought to have entered a period of decline following the death of Suleiman the Magnificent, this view is no longer supported by the majority of academic historians. The empire continued to maintain a flexible and strong economy, society, however, during a long period of peace from 1740 to 1768, the Ottoman military system fell behind that of their European rivals, the Habsburg and Russian Empires. While the Empire was able to hold its own during the conflict, it was struggling with internal dissent. Starting before World War I, but growing increasingly common and violent during it, major atrocities were committed by the Ottoman government against the Armenians, Assyrians and Pontic Greeks. The word Ottoman is an anglicisation of the name of Osman I. Osmans name in turn was the Turkish form of the Arabic name ʿUthmān, in Ottoman Turkish, the empire was referred to as Devlet-i ʿAlīye-yi ʿOsmānīye, or alternatively ʿOsmānlı Devleti. In Modern Turkish, it is known as Osmanlı İmparatorluğu or Osmanlı Devleti, the Turkish word for Ottoman originally referred to the tribal followers of Osman in the fourteenth century, and subsequently came to be used to refer to the empires military-administrative elite. In contrast, the term Turk was used to refer to the Anatolian peasant and tribal population, the term Rūmī was also used to refer to Turkish-speakers by the other Muslim peoples of the empire and beyond. In Western Europe, the two names Ottoman Empire and Turkey were often used interchangeably, with Turkey being increasingly favored both in formal and informal situations and this dichotomy was officially ended in 1920–23, when the newly established Ankara-based Turkish government chose Turkey as the sole official name. Most scholarly historians avoid the terms Turkey, Turks, and Turkish when referring to the Ottomans, as the power of the Seljuk Sultanate of Rum declined in the 13th century, Anatolia was divided into a patchwork of independent Turkish principalities known as the Anatolian Beyliks. One of these beyliks, in the region of Bithynia on the frontier of the Byzantine Empire, was led by the Turkish tribal leader Osman, osmans early followers consisted both of Turkish tribal groups and Byzantine renegades, many but not all converts to Islam. Osman extended the control of his principality by conquering Byzantine towns along the Sakarya River and it is not well understood how the early Ottomans came to dominate their neighbours, due to the scarcity of the sources which survive from this period. One school of thought which was popular during the twentieth century argued that the Ottomans achieved success by rallying religious warriors to fight for them in the name of Islam, in the century after the death of Osman I, Ottoman rule began to extend over Anatolia and the Balkans. Osmans son, Orhan, captured the northwestern Anatolian city of Bursa in 1326 and this conquest meant the loss of Byzantine control over northwestern Anatolia. The important city of Thessaloniki was captured from the Venetians in 1387, the Ottoman victory at Kosovo in 1389 effectively marked the end of Serbian power in the region, paving the way for Ottoman expansion into Europe
12.
Turkey
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Turkey, officially the Republic of Turkey, is a transcontinental country in Eurasia, mainly in Anatolia in Western Asia, with a smaller portion on the Balkan peninsula in Southeast Europe. Turkey is a democratic, secular, unitary, parliamentary republic with a cultural heritage. The country is encircled by seas on three sides, the Aegean Sea is to the west, the Black Sea to the north, and the Mediterranean Sea to the south. The Bosphorus, the Sea of Marmara, and the Dardanelles, Ankara is the capital while Istanbul is the countrys largest city and main cultural and commercial centre. Approximately 70-80% of the countrys citizens identify themselves as ethnic Turks, other ethnic groups include legally recognised and unrecognised minorities. Kurds are the largest ethnic minority group, making up approximately 20% of the population, the area of Turkey has been inhabited since the Paleolithic by various ancient Anatolian civilisations, as well as Assyrians, Greeks, Thracians, Phrygians, Urartians and Armenians. After Alexander the Greats conquest, the area was Hellenized, a process continued under the Roman Empire. The Seljuk Sultanate of Rûm ruled Anatolia until the Mongol invasion in 1243, the empire reached the peak of its power in the 16th century, especially during the reign of Suleiman the Magnificent. During the war, the Ottoman government committed genocides against its Armenian, Assyrian, following the war, the conglomeration of territories and peoples that formerly comprised the Ottoman Empire was partitioned into several new states. Turkey is a member of the UN, an early member of NATO. Turkeys growing economy and diplomatic initiatives have led to its recognition as a regional power while her location has given it geopolitical, the name of Turkey is based on the ethnonym Türk. The first recorded use of the term Türk or Türük as an autonym is contained in the Old Turkic inscriptions of the Göktürks of Central Asia, the English name Turkey first appeared in the late 14th century and is derived from Medieval Latin Turchia. Similarly, the medieval Khazar Empire, a Turkic state on the shores of the Black. The medieval Arabs referred to the Mamluk Sultanate as al-Dawla al-Turkiyya, the Ottoman Empire was sometimes referred to as Turkey or the Turkish Empire among its European contemporaries. The Anatolian peninsula, comprising most of modern Turkey, is one of the oldest permanently settled regions in the world, various ancient Anatolian populations have lived in Anatolia, from at least the Neolithic period until the Hellenistic period. Many of these peoples spoke the Anatolian languages, a branch of the larger Indo-European language family, in fact, given the antiquity of the Indo-European Hittite and Luwian languages, some scholars have proposed Anatolia as the hypothetical centre from which the Indo-European languages radiated. The European part of Turkey, called Eastern Thrace, has also been inhabited since at least forty years ago. It is the largest and best-preserved Neolithic site found to date, the settlement of Troy started in the Neolithic Age and continued into the Iron Age
13.
Iran
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Iran, also known as Persia, officially the Islamic Republic of Iran, is a sovereign state in Western Asia. Comprising a land area of 1,648,195 km2, it is the second-largest country in the Middle East, with 82.8 million inhabitants, Iran is the worlds 17th-most-populous country. It is the country with both a Caspian Sea and an Indian Ocean coastline. The countrys central location in Eurasia and Western Asia, and its proximity to the Strait of Hormuz, Tehran is the countrys capital and largest city, as well as its leading economic and cultural center. Iran is the site of to one of the worlds oldest civilizations, the area was first unified by the Iranian Medes in 625 BC, who became the dominant cultural and political power in the region. The empire collapsed in 330 BC following the conquests of Alexander the Great, under the Sassanid Dynasty, Iran again became one of the leading powers in the world for the next four centuries. Beginning in 633 AD, Arabs conquered Iran and largely displaced the indigenous faiths of Manichaeism and Zoroastrianism by Islam, Iran became a major contributor to the Islamic Golden Age that followed, producing many influential scientists, scholars, artists, and thinkers. During the 18th century, Iran reached its greatest territorial extent since the Sassanid Empire, through the late 18th and 19th centuries, a series of conflicts with Russia led to significant territorial losses and the erosion of sovereignty. Popular unrest culminated in the Persian Constitutional Revolution of 1906, which established a monarchy and the countrys first legislative body. Following a coup instigated by the U. K. Growing dissent against foreign influence and political repression led to the 1979 Revolution, Irans rich cultural legacy is reflected in part by its 21 UNESCO World Heritage Sites, the third-largest number in Asia and 11th-largest in the world. Iran is a member of the UN, ECO, NAM, OIC. Its political system is based on the 1979 Constitution which combines elements of a democracy with a theocracy governed by Islamic jurists under the concept of a Supreme Leadership. A multicultural country comprising numerous ethnic and linguistic groups, most inhabitants are Shia Muslims, the largest ethnic groups in Iran are the Persians, Azeris, Kurds and Lurs. Historically, Iran has been referred to as Persia by the West, due mainly to the writings of Greek historians who called Iran Persis, meaning land of the Persians. As the most extensive interactions the Ancient Greeks had with any outsider was with the Persians, however, Persis was originally referred to a region settled by Persians in the west shore of Lake Urmia, in the 9th century BC. The settlement was then shifted to the end of the Zagros Mountains. In 1935, Reza Shah requested the international community to refer to the country by its native name, opposition to the name change led to the reversal of the decision, and Professor Ehsan Yarshater, editor of Encyclopædia Iranica, propagated a move to use Persia and Iran interchangeably
14.
Egypt
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Egypt, officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia by a land bridge formed by the Sinai Peninsula. Egypt is a Mediterranean country bordered by the Gaza Strip and Israel to the northeast, the Gulf of Aqaba to the east, the Red Sea to the east and south, Sudan to the south, and Libya to the west. Across the Gulf of Aqaba lies Jordan, and across from the Sinai Peninsula lies Saudi Arabia, although Jordan and it is the worlds only contiguous Afrasian nation. Egypt has among the longest histories of any country, emerging as one of the worlds first nation states in the tenth millennium BC. Considered a cradle of civilisation, Ancient Egypt experienced some of the earliest developments of writing, agriculture, urbanisation, organised religion and central government. One of the earliest centres of Christianity, Egypt was Islamised in the century and remains a predominantly Muslim country. With over 92 million inhabitants, Egypt is the most populous country in North Africa and the Arab world, the third-most populous in Africa, and the fifteenth-most populous in the world. The great majority of its people live near the banks of the Nile River, an area of about 40,000 square kilometres, the large regions of the Sahara desert, which constitute most of Egypts territory, are sparsely inhabited. About half of Egypts residents live in areas, with most spread across the densely populated centres of greater Cairo, Alexandria. Modern Egypt is considered to be a regional and middle power, with significant cultural, political, and military influence in North Africa, the Middle East and the Muslim world. Egypts economy is one of the largest and most diversified in the Middle East, Egypt is a member of the United Nations, Non-Aligned Movement, Arab League, African Union, and Organisation of Islamic Cooperation. Miṣr is the Classical Quranic Arabic and modern name of Egypt. The name is of Semitic origin, directly cognate with other Semitic words for Egypt such as the Hebrew מִצְרַיִם, the oldest attestation of this name for Egypt is the Akkadian
15.
World War I
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World War I, also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. More than 70 million military personnel, including 60 million Europeans, were mobilised in one of the largest wars in history and it was one of the deadliest conflicts in history, and paved the way for major political changes, including revolutions in many of the nations involved. The war drew in all the worlds great powers, assembled in two opposing alliances, the Allies versus the Central Powers of Germany and Austria-Hungary. These alliances were reorganised and expanded as more nations entered the war, Italy, Japan, the trigger for the war was the assassination of Archduke Franz Ferdinand of Austria, heir to the throne of Austria-Hungary, by Yugoslav nationalist Gavrilo Princip in Sarajevo on 28 June 1914. This set off a crisis when Austria-Hungary delivered an ultimatum to the Kingdom of Serbia. Within weeks, the powers were at war and the conflict soon spread around the world. On 25 July Russia began mobilisation and on 28 July, the Austro-Hungarians declared war on Serbia, Germany presented an ultimatum to Russia to demobilise, and when this was refused, declared war on Russia on 1 August. Germany then invaded neutral Belgium and Luxembourg before moving towards France, after the German march on Paris was halted, what became known as the Western Front settled into a battle of attrition, with a trench line that changed little until 1917. On the Eastern Front, the Russian army was successful against the Austro-Hungarians, in November 1914, the Ottoman Empire joined the Central Powers, opening fronts in the Caucasus, Mesopotamia and the Sinai. In 1915, Italy joined the Allies and Bulgaria joined the Central Powers, Romania joined the Allies in 1916, after a stunning German offensive along the Western Front in the spring of 1918, the Allies rallied and drove back the Germans in a series of successful offensives. By the end of the war or soon after, the German Empire, Russian Empire, Austro-Hungarian Empire, national borders were redrawn, with several independent nations restored or created, and Germanys colonies were parceled out among the victors. During the Paris Peace Conference of 1919, the Big Four imposed their terms in a series of treaties, the League of Nations was formed with the aim of preventing any repetition of such a conflict. This effort failed, and economic depression, renewed nationalism, weakened successor states, and feelings of humiliation eventually contributed to World War II. From the time of its start until the approach of World War II, at the time, it was also sometimes called the war to end war or the war to end all wars due to its then-unparalleled scale and devastation. In Canada, Macleans magazine in October 1914 wrote, Some wars name themselves, during the interwar period, the war was most often called the World War and the Great War in English-speaking countries. Will become the first world war in the sense of the word. These began in 1815, with the Holy Alliance between Prussia, Russia, and Austria, when Germany was united in 1871, Prussia became part of the new German nation. Soon after, in October 1873, German Chancellor Otto von Bismarck negotiated the League of the Three Emperors between the monarchs of Austria-Hungary, Russia and Germany
16.
World War II
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World War II, also known as the Second World War, was a global war that lasted from 1939 to 1945, although related conflicts began earlier. It involved the vast majority of the worlds countries—including all of the great powers—eventually forming two opposing alliances, the Allies and the Axis. It was the most widespread war in history, and directly involved more than 100 million people from over 30 countries. Marked by mass deaths of civilians, including the Holocaust and the bombing of industrial and population centres. These made World War II the deadliest conflict in human history, from late 1939 to early 1941, in a series of campaigns and treaties, Germany conquered or controlled much of continental Europe, and formed the Axis alliance with Italy and Japan. Under the Molotov–Ribbentrop Pact of August 1939, Germany and the Soviet Union partitioned and annexed territories of their European neighbours, Poland, Finland, Romania and the Baltic states. In December 1941, Japan attacked the United States and European colonies in the Pacific Ocean, and quickly conquered much of the Western Pacific. The Axis advance halted in 1942 when Japan lost the critical Battle of Midway, near Hawaii, in 1944, the Western Allies invaded German-occupied France, while the Soviet Union regained all of its territorial losses and invaded Germany and its allies. During 1944 and 1945 the Japanese suffered major reverses in mainland Asia in South Central China and Burma, while the Allies crippled the Japanese Navy, thus ended the war in Asia, cementing the total victory of the Allies. World War II altered the political alignment and social structure of the world, the United Nations was established to foster international co-operation and prevent future conflicts. The victorious great powers—the United States, the Soviet Union, China, the United Kingdom, the Soviet Union and the United States emerged as rival superpowers, setting the stage for the Cold War, which lasted for the next 46 years. Meanwhile, the influence of European great powers waned, while the decolonisation of Asia, most countries whose industries had been damaged moved towards economic recovery. Political integration, especially in Europe, emerged as an effort to end pre-war enmities, the start of the war in Europe is generally held to be 1 September 1939, beginning with the German invasion of Poland, Britain and France declared war on Germany two days later. The dates for the beginning of war in the Pacific include the start of the Second Sino-Japanese War on 7 July 1937, or even the Japanese invasion of Manchuria on 19 September 1931. Others follow the British historian A. J. P. Taylor, who held that the Sino-Japanese War and war in Europe and its colonies occurred simultaneously and this article uses the conventional dating. Other starting dates sometimes used for World War II include the Italian invasion of Abyssinia on 3 October 1935. The British historian Antony Beevor views the beginning of World War II as the Battles of Khalkhin Gol fought between Japan and the forces of Mongolia and the Soviet Union from May to September 1939, the exact date of the wars end is also not universally agreed upon. It was generally accepted at the time that the war ended with the armistice of 14 August 1945, rather than the formal surrender of Japan
17.
Cartridge (firearms)
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Military and commercial producers continue to pursue the goal of caseless ammunition. A cartridge without a bullet is called a blank, One that is completely inert is called a dummy. Some artillery ammunition uses the same concept as found in small arms. In other cases, the shell is separate from the propellant charge. In popular use, the bullet is often misused to refer to a complete cartridge. The cartridge case seals a firing chamber in all directions excepting the bore, a firing pin strikes the primer and ignites it. The primer compound deflagrates, it does not detonate, a jet of burning gas from the primer ignites the propellant. Gases from the burning powder pressurize and expand the case to seal it against the chamber wall and these propellant gases push on the bullet base. In response to pressure, the bullet will move in the path of least resistance which is down the bore of the barrel. After the bullet leaves the barrel, the pressure drops to atmospheric pressure. The case, which had been expanded by chamber pressure. This eases removal of the case from the chamber, brass is a commonly used case material because it is resistant to corrosion. A brass case head can be work-hardened to withstand the pressures of cartridges. The neck and body portion of a case is easily annealed to make the case ductile enough to allow reforming so that it can be reloaded many times. Steel is used in some plinking ammunition, as well as in military ammunition. Steel is less expensive than brass, but it is not feasible to reload, Military forces typically consider small arms cartridge cases to be disposable, one-time-use devices. However, case weight affects how much ammunition a soldier can carry, conversely, steel is more susceptible to contamination and damage so all such cases are varnished or otherwise sealed against the elements. One downside caused by the strength of steel in the neck of these cases is that propellant gas can blow back past the neck
18.
Patrone 88
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The 7. 92×57mm Mauser is a rimless bottlenecked rifle cartridge. The 7. 92×57mm Mauser cartridge was adopted by the German Empire in 1903/1905, in its day, the 7. 92×57mm Mauser cartridge was one of the world’s most popular military cartridges. In the 21st century it is still a sport and hunting cartridge that is factory-produced in Europe. The parent cartridge on which the 7. 92×57mm Mauser is based was adopted by Germany in 1888 as the Patrone 88 or M/88. The M/88 cartridge was loaded with 2.75 g of single-base smokeless powder, the M/88 bore originally had 7.90 mm lands diameter and 8.10 mm grooves diameter. Besides the chambering, the bore was also dimensionally redesigned, the 1903 pattern 7. 92×57mm Mauser S Patrone was loaded with a lighter 9.9 grams, pointed Spitzgeschoß of 8.2 mm diameter and more powerful double-base smokeless powder. In German military service the Patrone 88 was replaced in 1904 and 1905 by the S Patrone, as the bolt thrust of the 7. The rimless cartridge cases have been used as parent case for several other necked down and necked up cartridges, during World War II it was one of the few cartridges used by both the Axis and Allied powers, a distinction it shared with the 9×19mm Parabellum pistol round. Its military use today in the former Yugoslavia in the Zastava M76 sniper rifle and the license-built copy of the MG42. Rifles formerly manufactured for the Wehrmacht and captured by the Allies were acquired by Israel, Israel, at the time, did not have a domestic arms industry and could not manufacture its own battle rifles, but it could produce replacement parts and refurbish existing weapons. Israel only used its Mauser rifles in their original configuration for a short period, after World War I the Treaty of Versailles imposed comprehensive and complex restrictions upon the post-war German armed forces. According to the treaty the Reichswehr could on a limited scale continue using the 7. 92×57mm Mauser as their service cartridge, the Treaty of Versailles however effectively nixed the civilian use of 7. 92×57mm Mauser chambered rifles by German hunters and sport shooters. In 1939 the Normalisierungsverordnung effectively prohibited the production of non S-bore/7. 92×57mm Mauser chambered arms in Nazi Germany, in post World War 2 Germany the production of the various preceding chamberings is allowed again, but these chamberings have become rare in post 1939 produced arms. In 2004 Remington Arms offered a limited-edition Model 700 Classic bolt action hunting rifle chambered for the 7. 92×57mm Mauser. The 7. 92×57mm Mauser cartridges performance makes it suitable for the hunting all medium-sized game such as the family, chamois, mouflon, bighorn sheep. The 7. 92×57mm Mauser can offer very good penetrating ability due to a fast twist rate that enables it to fire long, the 7. 92×57mm Mauser cannot be used in countries which ban civil use of former or current military rifle cartridges, like France. The rimmed variant of the 7. 92×57mm Mauser, the 8×57mm IRS, was developed later for break-barrel rifles, the 8×57mm IRS is commercially offered as a chambering option in European break-action rifles. The naming of this cartridge is cultural and epoch dependent and hence not uniform around the world, the 7.92 naming convention is often used by English speaking sources for the military issued 7. 92×57mm Mauser and 7. 92×33mm Kurz cartridges
19.
Bullet
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The word bullet is a firearm term. A bullet is a projectile expelled from the barrel of a firearm, the term is from Middle French and originated as the diminutive of the word boulle which means small ball. Bullets are made of a variety of materials and they are available singly as they would be used in muzzle loading and cap and ball firearms, as part of a paper cartridge, and much more commonly as a component of metallic cartridges. Bullets are made in a numbers of styles and constructions depending on how they will be used. Many bullets have specialized functions, such as hunting, target shooting, training, defense, a bullet is not a cartridge. In paper and metallic cartridges a bullet is one component of the cartridge, bullet sizes are expressed by their weight and diameter in both English and Metric measurement systems. For example.22 caliber 55 grain bullets or 5. 56mm 55 grain bullets are the same caliber, the word bullet is often used colloquially to refer to a cartridge, which is a combination of the bullet, paper or metallic case/shell, powder, and primer. This use of bullet, when cartridge is intended, leads to confusion when the components of a cartridge are discussed or intended, the bullets used in many cartridges are fired at a muzzle velocity faster than the speed of sound. Meaning they are supersonic and thus can travel a substantial distance, bullet speed through air depends on a number of factors such as barometric pressure, humidity, air temperature, and wind speed. Subsonic cartridges fire bullets slower than the speed of sound and so there is no sonic crack and this means that a subsonic cartridge such as.45 ACP can be effectively suppressed to be substantially quieter than a supersonic cartridge such as the.223 Remington. Bullets do not normally contain explosives, but damage the target by impact. The first use of gunpowder in Europe was recorded in 1247 and it had been used in China for hundreds of years. Later in 1364 hand cannon appeared, early projectiles were made of stone. Stone was used in cannon and hand cannon, in cannon it was eventually found that stone would not penetrate stone fortifications which gave rise to the use of heavier metals for the round projectiles. Hand cannon projectiles developed in a similar following the failure of stone from siege cannon. The first recorded instance of a ball from a hand cannon penetrating armor occurred in 1425. In this photograph of shot retrieved from the wreck of the Mary Rose which was sunk in 1545, the round shot are clearly of different sizes and some are stone while others are cast iron. The development of the hand culverin and matchlock arquebus brought about the use of cast lead balls as projectiles, bullet is derived from the French word boulette, which roughly means little ball
20.
Grain (unit)
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A grain is a unit of measurement of mass, and, for the troy grain, equal to exactly 7001647989100000000♠64.79891 milligrams. It is nominally based upon the mass of a seed of a cereal. From the Bronze Age into the Renaissance the average masses of wheat, rather, expressions such as thirty-two grains of wheat, taken from the middle of the ear appear to have been ritualistic formulas, essentially the premodern equivalent of legal boilerplate. Another book states that Captain Henry Kater, of the British Standards Commission, the grain was the legal foundation of traditional English weight systems, and is the only unit that is equal throughout the troy, avoirdupois, and apothecaries systems of mass. The unit was based on the weight of a grain of barley. The fundamental unit of the pre-1527 English weight system known as Tower weights, was a different sort of known as the wheat grain. The Tower wheat grain was defined as exactly 45⁄64 of a troy grain.79891 milligrams, 7000100000000000000♠1 gram is approximately 7001154323600000000♠15.43236 grains. The unit formerly used by jewellers to measure pearls, diamonds, or other stones, called the jewellers grain or pearl grain, is equal to 1⁄4 of a carat. The grain was also the name of a traditional French unit equal to 6995531150000000000♠53.115 mg. In both British Imperial and U. S. customary units, there are precisely 7,000 grains per avoirdupois pound, the grain is commonly used to measure the mass of bullets and propellants. The term also refers to a particle of gunpowder, the size of which varies according to requirements. In archery, the grain is the unit used to weigh arrows. In dentistry, gold foil, used as a material to restore teeth, is measured in grains, in North America, the hardness of water is often measured in grains per US gallon of calcium carbonate equivalents. Otherwise, water hardness is measured in the metric unit parts per million, one grain per US gallon is approximately 6995171000000000000♠17.1 ppm. Soft water contains 1–4 gpg of calcium carbonate equivalents, while hard water contains 11–20 gpg, though no longer recommended, grains are still used occasionally in medicine as part of the apothecaries system, especially in prescriptions for older medicines such as aspirin or phenobarbital. For example, the dosage of a standard 6996325000000000000♠325 mg tablet of aspirin is sometimes given as 7000500000000000000♠5 grains, in that example the grain is approximated to 6995650000000000000♠65 mg, though the grain can also be approximated to 6995600000000000000♠60 mg, depending on the medication and manufacturer. The apothecaries system has its own system of notation, in which the symbol or abbreviation is followed by the quantity in lower case Roman numerals. For amounts less than one, the quantity is written as a fraction, or for one half, therefore, a prescription for tablets containing 325 mg of aspirin and 30 mg of codeine can be written ASA gr
21.
Rifling
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In firearms, rifling consists of helical grooves in the internal surface of a guns barrel, which impart a spin to a projectile around its long axis. This spin serves to stabilize the projectile, improving its aerodynamic stability. Rifling is often described by its twist rate, which indicates the distance the rifling takes to complete one revolution, such as 1 turn in 10 inches. A shorter distance indicates a faster twist, meaning that for a given velocity the projectile will be rotating at a spin rate. Barrels intended for long, small-diameter bullets, such as the ultra-low-drag, 80-grain 0.223 inch bullets, extremely long projectiles such as flechettes may require high twist rates, these projectiles must be inherently stable, and are often fired from a smoothbore barrel. Muskets were smoothbore, large caliber weapons using ball-shaped ammunition fired at low velocity. Due to the high cost and great difficulty of manufacturing, and the need to load readily from the muzzle. Consequently, on firing the ball bounced off the sides of the barrel when fired, barrel rifling was invented in Augsburg, Germany in 1498. In 1520 August Kotter, an armourer of Nuremberg, Germany improved upon this work, though true rifling dates from the mid-16th century, it did not become commonplace until the nineteenth century. The most successful weapons using rifling with black powder were breech loaders such as the Queen Anne pistol, the grooves most commonly used in modern rifling have fairly sharp edges. More recently, polygonal rifling, a throwback to the earliest types of rifling, has become popular, polygonal barrels tend to have longer service lives because the reduction of the sharp edges of the land reduces erosion of the barrel. Supporters of polygonal rifling also claim higher velocities and greater accuracy, polygonal rifling is currently seen on pistols from CZ, Heckler & Koch, Glock, Tanfoglio, and Kahr Arms, as well as the Desert Eagle. Such guns have achieved significant increases in velocity and range. Examples include the South African G5 and the German PzH2000, gain-twist rifling begins with very little change in the projectiles angular momentum during the first few inches of bullet travel after ignition during the transition from chamber to throat. This enables the bullet to remain undisturbed and trued to the case mouth. After engaging the rifling the bullet is progressively subjected to accelerated angular momentum as burning powder propels it down the barrel. By only gradually increasing the rate, torque is spread along a much longer section of barrel. Gain-twist rifling was used as early as the American Civil War, colt Army and Navy revolvers both employed gain-twist rifling
22.
Primer (firearms)
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In firearm ballistics, the primer is a component of pistol, rifle, and shotgun rounds. Early primers were simply the same black powder used to fire the weapon and this external powder was connected though a tube in the barrel that led to the main charge. As powder wont burn when wet, this led to difficulty, or even the inability, modern primers are shock sensitive chemicals. In smaller weapons the primer is usually integrated into the rear of a cartridge, in larger weapons like cannon the primer is a separate component placed inside the barrel to the rear of the main propellant charge. The first step to firing a firearm of any sort is igniting the propellant, the earliest firearms were cannons, which were simple closed tubes. There was an aperture, the touchhole, drilled in the closed end of the tube. This hole was filled with finely ground powder, which was ignited with a hot ember or torch. With the advent of firearms, this became an undesirable way of firing a gun. The first attempt to make the process of firing a small arm easier was the matchlock, the matchlock incorporated a lock that was actuated by a trigger, originally called a tricker. The lock was a lever which pivoted when pulled. The match was a burning fuse made of plant fibers that were soaked in a solution of nitrates, charcoal, and sulfur. This slow-match was ignited before the gun was needed, and it would slowly burn, after the gun was loaded and the touchhole primed with powder, the burning tip of the match was positioned so that the lock would bring it into contact with the touchhole. To fire the gun, it was aimed and the trigger pulled and this brought the match down to the touchhole, igniting the powder. With careful attention the slow-burning match could be burning for long periods of time. The next revolution in technology was the wheel-lock. It used a spring-loaded, serrated steel wheel which rubbed against a piece of iron pyrite, a key was used to wind the wheel and put the spring under tension. Once tensioned, the wheel was held in place by a trigger, when the trigger was pulled, the serrated edge of the steel rubbed against the pyrite, generating sparks. These sparks were directed into a pan, called the flash pan, the flashpan usually was protected by a spring-loaded cover that would slide out of the way when the trigger was pulled, exposing the powder to the sparks
23.
Rim (firearms)
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A rim is an external flange that is machined, cast, molded, stamped or pressed around the bottom of a firearms cartridge. Thus, rimmed cartridges are sometimes called flanged cartridges, almost all cartridges feature an extractor or headspacing rim, in spite of the fact that some cartridges are known as rimless cartridges. These types are rimmed, rimless, semi-rimmed, rebated rim and these categories describe the size of the rim in relation to the base of the case. The rimmed cartridge, sometimes called flanged cartridge, is the oldest of the types and has a rim that is larger in diameter than the base of the cartridge. Rimmed cartridges use the rim to hold the cartridge in the chamber of the firearm, because the rimmed cartridge headspaces on the rim, the case length is of less importance than rimless cartridges. This allows some firearms chambered for similar rimmed cartridges to safely chamber and fire shorter cartridges, rimmed cartridges are well suited to certain types of actions, such as revolvers, where the rim helps hold the cartridge in position, and break-action firearms. Semi-automatic handguns have been chambered in rimmed cartridges as well, for example a LAR Grizzly or Desert Eagle in.357 or.44 Magnum, under the metric cartridge designation system, a capitalized R added at the end of the designation denotes a rimmed cartridge. For example,7. 62×54mmR is a cartridge, while 7. 62×51mm is a rimless cartridge.45 Auto Rim. Examples of rimmed handgun cartridges include the.38 Special.357 Magnum, rimmed rifle cartridge examples include the.22 Hornet.303 British and 7. 62×54mmR. Rimless cases are not well suited to break-open and revolver actions, though they can be used with modifications, such as a spring-loaded extractor or, in a revolver. Crimping affects the length of the cartridge, and thus cannot be used on cartridges which headspace on the case mouth. Examples of rimless handgun cartridges include the 9mm Parabellum.40 S&W, rimless rifle examples include the.223 Remington.308 Winchester. 30-06 Springfield and 7. 92×57mm Mauser. On a semi-rimmed case the rim projects slightly beyond the base of the case, the tiny rim provides minimal interference feeding from a box magazine, while still providing enough surface to headspace on. Semi-rimmed cases are less common than the other types, if the chamber is cut shallow, so the case headspaces off the mouth, the rim is used for extraction only, a standard chamber will use the rim for both headspacing and extraction. Examples of more commonly encountered rimless handgun cartridges are.25 ACP.32 ACP and.38 ACP, while the.308 Marlin Express.338 Marlin Express and.444 Marlin are rifle cartridges that are semi-rimmed. Rebated rim cartridges have a rim that is smaller in diameter than the base of the case. Functionally the same as a case, the rebated rim provides some additional benefits when considered in conjunction with other cartridges. One example of a rebated rim cartridge is the.50 Action Express, by using the same rim dimensions as the.44 Magnum, a Desert Eagle could be converted from.44 Magnum to.50 AE by merely changing the barrel and magazine
24.
World war
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A world war is a war involving many of the countries of the world or many of the most powerful and populous ones. World wars span multiple countries on multiple continents, with battles fought in multiple theaters. The Oxford English Dictionary cited the first known usage in the English language to a Scottish newspaper, the term World War I was coined by Time magazine in its issue of June 12,1939. In the same article, the term World War II was first used speculatively to describe the upcoming war, the first use for the actual war came in its issue of September 11,1939. m. Speculative fiction authors had been noting the concept of a Second World War in 1919 and 1920, due to this fact, a very minute conflict between two countries had the potential to set off a domino effect of alliances, triggering a world war. The fact that the powers involved had large overseas empires virtually guaranteed that such a war would be worldwide, the same strategic considerations also ensured that the combatants would strike at each others colonies, thus spreading the wars far more widely than those of pre-Colombian times. Both world wars had also seen war crimes, the First World War had seen major use of chemical weapons despite the Hague Conventions of 1899 and 1907 outlawing the use of such weapons in warfare. The Ottoman Empire had been considered responsible for the death of one million Armenians during the First World War. The Second World War was the first conflict in which atomic bombs had been used, nazi Germany had been responsible for multiple genocides, most notably the Holocaust, killing six million Jews. The outcome of the wars had a profound effect on the course of world history. The old European empires had collapsed or been dismantled as a result of the wars crushing costs. The United States of America had been established as the dominant global superpower, along with its ideological foe. These two superpowers exerted political influence over most of the worlds nation-states for decades after the end of the Second World War, the modern international security, economic and diplomatic system had been created in the aftermath of the wars. Institutions such as the United Nations were established to collectivize international affairs, the wars had also greatly changed the course of daily life. Technologies developed during wartime had an effect on peace-time life as well, for instance, advances in, jet aircraft, penicillin, nuclear energy. Since the atomic bombings of Hiroshima and Nagasaki during the Second World War, there has been a widespread and this war has been anticipated and planned for by military and civil authorities, and explored in fiction in many countries. Concepts have ranged from purely conventional scenarios, to limited use of nuclear weapons, among these are former American, French, and Mexican government officials, military leaders, politicians, and authors, Despite their efforts, none of these wars are commonly deemed world wars. The Second Congo War involved nine nations and led to ongoing low-level warfare despite an official peace and it has often been referred to as Africas World War
25.
Gewehr 1888
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The Gewehr 88 was a late 19th-century German bolt action rifle, adopted in 1888. The invention of smokeless powder in the late 19th century immediately rendered all of the black powder rifles then in use obsolete. To keep pace with the French the Germans adopted the Gewehr 88 using its own new M/88 cartridge, the rifle was one of many weapons in the arms race between the Germanic states and France, and with Europe in general. There were also two versions, the Karabiner 88 for mounted troops and the Gewehr 91 for artillery. Later models provided for loading with stripper clips and went on to serve in World War I to a limited degree and this made Germany’s rifle, the Mauser Model 1871, obsolete due to its large and slow 11 mm round propelled by black powder. The practical result was that the French rifle had greater accuracy and range, in response the German Army’s Rifle Testing Commission developed the Gewehr 88 which was adopted for service in 1888. For this reason the Gewehr 88 is also known as the commission rifle, the first step was to select a new cartridge. The Gewehr 88 is in essence a Mannlicher design, though it is called a Model 88 Mauser. As shots are fired the clip remains in place until the last round is chambered and this system was used in almost all Mannlicher designs and derivatives, and while it allows for speedy reloading, it also creates an entry point for dirt. To settle a patent infringement claim by Steyr-Mannlicher, Germany contracted the Austro-Hungarian company to be one of the manufacturers of Gewehr 88s, the commission rifles bolt action design was a modified Mannlicher action with a few Mauser features, but it is not truly a Mauser. The barrel design and rifling were virtually copied from the French Lebel, the rifle has an odd appearance as the entire barrel is encased in a sheet metal tube for protection, but with the tube removed the rifle looks rather modern. The Karabiner 88 utilized a different bolt handle, which resembled those found on commercial sporting rifles, some early models had flaws due to rushed ammunition production. This was used in 1892 by the then notorious anti-Semitic agitator Hermann Ahlwardt, member of the german Reichstag, many of the Gewehr 88-rifles were produced by the armament manufacturer Loewe & Company, whos chairman was jewish entrepreneur Isidor Loewe. Isidor Loewe also held a controlling interest in the Waffenfabrik Mauser, Ahlwardt accused Loewe of being a spy for France, and denounced the rifle as a Judenflinte. After these claims were found insupportable, Ahlwardt was sentenced to 4 months in prison for malicious falsehood, part of the production run was exported to China or Latin America. When Germany replaced the 88 with the Gewehr 98, many of the rifles were given to Austria-Hungary, many Gewehr 88 rifles stayed in active service in second-line units, reserves, and in armies allied with the Germans through and well past World War I. Most of the Gewehr 88s seen in the US are the ones that were given to the Turkish forces in World War I and have been modified from the original design, the Turks issued these and updated versions at least as late as the 1930s. Gewehr 88/05 rifles were used by Yugoslavia, Czechoslovakia, or Poland
26.
Smokeless powder
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Smokeless powder is the name given to a number of propellants used in firearms and artillery that produce negligible smoke when fired, unlike the black powder they replaced. The basis of the term smokeless is that the products are mainly gaseous. Despite its name, smokeless powder is not completely free of smoke, while there may be little noticeable smoke from small-arms ammunition, since the 14th century gunpowder was not actually a physical powder, and smokeless powder can be produced only as a pelletized or extruded granular material. Smokeless powder allowed the development of modern semi- and fully automatic firearms and lighter breeches, burnt black powder leaves a thick, heavy fouling that is hygroscopic and causes rusting of the barrel. The fouling left by smokeless powder exhibits none of these properties and this makes an autoloading firearm with many moving parts feasible. However, they are used as propellants, in normal use. Before the widespread introduction of smokeless powder the use of black powder caused many problems on the battlefield, Military commanders since the Napoleonic Wars reported difficulty with giving orders on a battlefield obscured by the smoke of firing. Verbal commands could not be heard above the noise of the guns, unless there was a strong wind, after a few shots, soldiers using black powder ammunition would have their view obscured by a huge cloud of smoke. Snipers or other concealed shooters were given away by a cloud of smoke over the firing position, black powder is also corrosive, making cleaning mandatory after every use. Likewise, black powders tendency to produce severe fouling caused actions to jam, nitroglycerine was synthesized by the Italian chemist Ascanio Sobrero in 1847. Nitroglycerine is also sensitive, making it unfit to be carried in battlefield conditions. A major step forward was the discovery of guncotton, a nitrocellulose-based material and he promoted its use as a blasting explosive and sold manufacturing rights to the Austrian Empire. Guncotton was more powerful than gunpowder, but at the time was once again somewhat more unstable. John Taylor obtained an English patent for guncotton, and John Hall & Sons began manufacture in Faversham, English interest languished after an explosion destroyed the Faversham factory in 1847. Small arms could not withstand the pressures generated by guncotton, Abel patented this process in 1865 when the second Austrian guncotton factory exploded. After the Stowmarket factory exploded in 1871, Waltham Abbey began production of guncotton for torpedo, in 1863, Prussian artillery captain Johann F. E. Schultze patented a small-arms propellent of nitrated hardwood impregnated with saltpeter or barium nitrate. Prentice received an 1866 patent for a powder of nitrated paper manufactured at Stowmarket. In 1871, Frederick Volkmann received an Austrian patent for a version of Schultze powder called Collodin
27.
Poudre B
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Poudre B was the first practical smokeless gunpowder. It was perfected between 1882 and 1884 at Laboratoire Central des Poudres et Salpêtres in Paris, France, originally called Poudre V, from the name of the inventor, Paul Vieille, it was arbitrarily renamed Poudre B to distract German espionage. Poudre B is made from 68. 2% insoluble nitrocellulose,29. 8% soluble nitrocellulose gelatinized with ether, Poudre B is made up of very small paper-thin flakes that are not white but dark greenish grey in color. Poudre B was first used to load the 8mm Lebel cartridges issued in 1886 for the Lebel rifle, however guncotton, an explosive substance, proved to be too fast burning at the time for direct use in firearms and artillery ammunition. He then used roller presses to transform this gelatinized colloidal substance into extremely thin sheets which and this single-base smokeless powder was originally named Poudre V after the inventors name. That denomination was later changed arbitrarily to Poudre B in order to distract German espionage, the original Poudre B of 1884 was almost immediately replaced by improved Poudre BF in 1888. In 1896 Poudre BF was replaced by Poudre BF which was followed by Poudre BN3F in 1901, the latter was stabilized with the antioxidant diphenylamine instead of amyl alcohol and it gave safe and regular performance as the standard French gunpowder used during World War I. It was followed during the 1920s by Poudre BN3F and later by Poudre BPF1, three times more powerful than black powder for the same weight, and not generating large quantities of smoke, Poudre B gave the user a huge tactical advantage. It was hastily adopted by the French military in 1886, followed by all the military powers within a few years. The higher power of the new powder gave a muzzle velocity. It also required lesser volumes of gunpowder and allowed a smaller caliber, thus lighter bullets, the French Army quickly introduced a new rifle, the Lebel Model 1886 firing a new 8 mm calibre cartridge, to exploit these benefits. In the early years of their use both the original Poudre B and guncotton led to accidents, for example, two French battleships, the Iéna and the Liberté, blew up in Toulon harbour in 1907 and 1911 respectively with heavy loss of life. By the end of the 1890s, safer smokeless powders had been developed, including improved and stabilized versions of Poudre B, the guncotton problem is not completely solved even today, as an occasional batch of smokeless powder will still deteriorate, although this is extremely rare
28.
Nitrocellulose
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Nitrocellulose is a highly flammable compound formed by nitrating cellulose through exposure to nitric acid or another powerful nitrating agent. When used as a propellant or low-order explosive, it was known as guncotton. Partially nitrated cellulose has found uses as a film and in inks. In 1862 the first man-made plastic, nitrocellulose, was created by Alexander Parkes from cellulose treated with nitric acid and a solvent. Celluloid was used by Kodak, and other suppliers, from the late 1880s as a base in photography, X-ray films, and motion picture films. After numerous fires caused by unstable nitrate films, safety film started to be used from the 1930s in the case of X-ray stock and from 1948 for motion picture film. Henri Braconnot discovered in 1832 that nitric acid, when combined with starch or wood fibers, would produce a lightweight combustible explosive material, a few years later in 1838, another French chemist, Théophile-Jules Pelouze, treated paper and cardboard in the same way. Jean-Baptiste Dumas obtained a material, which he called nitramidine. These substances were highly unstable and were not practical explosives, however, around 1846 Christian Friedrich Schönbein, a German-Swiss chemist, discovered a more practical solution. As he was working in the kitchen of his home in Basel and he reached for the nearest cloth, a cotton apron, and wiped it up. He hung the apron on the door to dry, and, as soon as it was dry. His preparation method was the first to be widely imitated—one part of cotton wool to be immersed in 15 parts of an equal blend of sulfuric and nitric acids. After two minutes, the cotton was removed and washed in water to set the esterification level. It was then dried at a temperature below 40 °C. Schönbein collaborated with the Frankfurt professor Rudolf Christian Böttger, who had discovered the process independently in the same year. By coincidence, a third chemist, the Brunswick professor F. J. Otto had also produced guncotton in 1846 and was the first to publish the process, much to the disappointment of Schönbein and Böttger. The process uses nitric acid to convert cellulose into cellulose nitrate and water, 3HNO3+ C6H10O5 → C6H73O5 + 3H2O The sulfuric acid is present as a catalyst to produce the nitronium ion, the reaction is first order and proceeds by electrophilic substitution at the C-OH centers of the cellulose. The power of guncotton made it suitable for blasting, as a projectile driver, it had around six times the gas generation of an equal volume of black powder and produced less smoke and less heating
29.
Spitzer (bullet)
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To achieve this, the projectile must minimize air resistance in flight. Bullets with a drag coefficient decelerate less rapidly. A low drag coefficient flattens the projectiles trajectory somewhat at long ranges, the higher impact velocity of bullets with high ballistic coefficients means they retain more kinetic energy. The name spitzer is a form of the German word Spitzgeschoss. The development of spitzer bullets made military doctrines possible which expected rifle volleys at area targets at ranges up to 1,420 to 2,380 m, most spitzer bullets are loaded in intermediate and high-powered rifle cartridges. The spitzer bullet design was first introduced in 1898 as the Balle D by the French Army, the Balle D bullet was designed by Captain Georges Raymond Desaleux, in order to improve the ballistic performance of the existing French 8×50mmR Lebel service cartridge of 1886. Besides having a nose section the Balle D was also the first military rifle projectile that had a boat tail - a streamlined tapered base - to further minimize air resistance in flight. The 1898 pattern 8×50mmR Lebel Balle D spitzer nose profile combined with the boat tail resulted in a ballistic coefficient of 0.568 to 0.581, even by 21st century standards 800 m typical effective supersonic range is regarded as normal for a standard military rifle round. A new Spitzgeschoß aerodynamic bullet, credited to an independent ballistician Arthur Gleinich, was tested in 1902, after several shape revisions it entered mass production in 1904. The Spitzgeschoß nose was externally pointed like the French design and its shape was patented, the Gewehr-Prüfungskommission program resulted in the S Patrone a. k. a. The S Patrone was adopted by the German Army and Navy in 1903 and had a range of approximately 3,700 m. At the onset of World War 1 Germany developed a further refined bullet. This 12.8 grams full metal jacket s. S. - schweres Spitzgeschoß boat tail projectile had a coefficient of 0.557 to 0.593 and was loaded in the s. S. At 760 m/s muzzle velocity the s. S, Patrone had a maximum range of approximately 4,700 m and retained supersonic velocity up to and past 1,000 m under ICAO Standard Atmosphere conditions at sea level. From its 1914 introduction the s. S, Patrone was mainly issued for aerial combat and as of 1918 in the later stages of World War I to infantry machine gunners. Fifteen years after World War 1 the S Patrone was phased out, Patrone became the standard issue ball ammunition for the German military. In 1906, United States ordnance authorities arranged to purchase the license for the Spitzgeschoß bullet design from Gleinich. The Ball, M1906 rounds had a velocity of 823 m/s and had a maximum range of approximately 3,117 m
30.
Ballistic coefficient
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In ballistics, the ballistic coefficient of a body is a measure of its ability to overcome air resistance in flight. It is inversely proportional to the negative acceleration — a high number indicates a low negative acceleration and this is roughly the same as saying that the projectile in question possesses low drag, although some meaning is lost in the generalization. BC is a function of mass, diameter, and drag coefficient, here are several methods to compute i or Cd, i =2 n ⋅4 n −1 n Where, i = Coefficient of form. N = number of calibers of the projectiles ogive, where n is unknown, n =4 Where, n = number of calibers of the projectiles ogive. L = length of the head in number of calibers, or A drag coefficient can also be calculated mathematically, C d =8 ρ ⋅ v 2 ⋅ π ⋅ d 2 Where, Cd = drag coefficient. ρ = density of the projectile, V = projectile velocity at range. π ≈3.14159 d = measured cross section of projectile in m or in or From standard physics as applied to “G” models, i = C G C p Where, CG = drag coefficient of 1.00 from any “G” model, reference drawing, projectile. Cp = drag coefficient of the actual test projectile at range, when needed, these terms and denotations shall be followed in bold font to denote the accepted Wikipedia standard. All Ordnance size and velocities are nominal or averaged as is historically and mathematically customary, in 1537, Niccolò Tartaglia did some test firing to determine the maximum angle and range for a shot. His conclusion was near 45 degrees and he noted that the shot trajectory was continuously curved. In 1636, Galileo Galilei published results in Dialogues Concerning Two New Sciences and he found that a falling body had a constant acceleration. This allowed Galileo to show that a trajectory was a curve. Circa 1665, Sir Isaac Newton derived the law of air resistance, newtons experiments on drag were through air and fluids. He showed that drag on shot increases proportionately with the density of the air, cross sectional area, newton’s experiments were only at low velocities to about 260 m/s. This challenge supposes that air resistance increases exponentially to the velocity of a projectile, keill gave no solution for his challenge. Johann Bernoulli took up this challenge and soon thereafter solved the problem and air resistance varied as “any power” of velocity and this is the precursor to the concept of the “standard projectile”. In 1742, Benjamin Robins invented the ballistic pendulum and this was a simple mechanical device that could measure a projectiles velocity. Robins reported muzzle velocities ranging from 1,400 ft/s to 1,700 ft/s, in 1844, the Electro-ballistic chronograph was invented and by 1867 the electro-ballistic chronograph was accurate to with in one ten millionth of a second
31.
Bolt thrust
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The applied force has both magnitude and direction, making it a vector quantity. Bolt thrust is an important factor in weapons design, the greater the bolt thrust, the stronger the locking mechanism has to be to withstand it. Assuming equal engineering solutions and material adding strength to a locking mechanism causes an increase in weight, bolt thrust is not a measure to determine the amount of recoil/free recoil. With a basic calculation the bolt thrust produced by a firearms cartridge can be calculated fairly accurately. F → b o l t = P m a x ⋅ A i n t e r n a l, the area enclosed by a circle is, A r e a = π r 2 ≈3. Where, π ≈3.1416 r = the radius of the circle Equivalently, a practical problem regarding this method is that the internal case head diameter of a particular production lot of cartridge cases can not be easily measured without damaging them. A complicating matter regarding bolt thrust is that a cartridge case expands and deforms under high pressure and this friction-effect can be accounted for with finite elements calculations on a computer, but it is a lot of specialized work and generally not worth the trouble. By oiling proof rounds during NATO EPVAT testing procedures, NATO test centers intentionally lower case friction to promote high bolt thrust levels. The basic calculation method is almost the same, but now the larger area of the cartridge case head is used instead of the smaller inside area. F b o l t → = P m a x ⋅ A e x t e r n a l, the P1 diameters and Pmax used in the calculations were taken from the appropriate C. I. P. The P1 diameters and Pmax used in the calculations were taken from the appropriate C. I. P, blaser R93 Unfälle - zur Verschlußbelastung Zylinderverschluß - Verschlußkräfte
32.
Treaty of Versailles
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The Treaty of Versailles was the most important of the peace treaties that brought World War I to an end. The Treaty ended the state of war between Germany and the Allied Powers and it was signed on 28 June 1919, exactly five years after the assassination of Archduke Franz Ferdinand. The other Central Powers on the German side of World War I signed separate treaties, although the armistice, signed on 11 November 1918, ended the actual fighting, it took six months of Allied negotiations at the Paris Peace Conference to conclude the peace treaty. The treaty was registered by the Secretariat of the League of Nations on 21 October 1919 and this article, Article 231, later became known as the War Guilt clause. The treaty forced Germany to disarm, make substantial territorial concessions, in 1921 the total cost of these reparations was assessed at 132 billion marks. On the other hand, prominent figures on the Allied side such as French Marshal Ferdinand Foch criticized the treaty for treating Germany too leniently, although it is often referred to as the Versailles Conference, only the actual signing of the treaty took place at the historic palace. Most of the negotiations were in Paris, with the Big Four meetings taking place generally at the Quai dOrsay, the First World War was fought across Europe, the Middle East, Africa and Asia. Countries beyond the war zones were also affected by the disruption of trade, finance. In 1917, two revolutions occurred within the Russian Empire, which led to the collapse of the Imperial Government, the American war aim was to detach the war from nationalistic disputes and ambitions after the Bolshevik disclosure of secret treaties between the Allies. The existence of these treaties tended to discredit Allied claims that Germany was the power with aggressive ambitions. On 8 January 1918, United States President Woodrow Wilson issued a statement that became known as the Fourteen Points and this speech outlined a policy of free trade, open agreements, democracy and self-determination. After the Central Powers launched Operation Faustschlag on the Eastern Front and this treaty ended the war between Russia and the Central powers and annexed 1,300,000 square miles of territory and 62 million people. During the autumn of 1918, the Central Powers began to collapse, desertion rates within the German army began to increase, and civilian strikes drastically reduced war production. On the Western Front, the Allied forces launched the Hundred Days Offensive, sailors of the Imperial German Navy at Kiel mutinied, which prompted uprisings in Germany, which became known as the German Revolution. The German government tried to obtain a settlement based on the Fourteen Points. Following negotiations, the Allied powers and Germany signed an armistice, the terms of the armistice called for an immediate evacuation of German troops from occupied Belgium, France, and Luxembourg within fifteen days. In addition, it established that Allied forces would occupy the Rhineland, in late 1918, Allied troops entered Germany and began the occupation. Both the German Empire and Great Britain were dependent on imports of food and raw materials, primarily from the Americas, the Blockade of Germany was a naval operation conducted by the Allied Powers to stop the supply of raw materials and foodstuffs reaching the Central Powers
33.
Gewehr 98
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The Gewehr 98 replaced the earlier Gewehr 1888 rifle as the German service rifle, first saw combat in the Boxer Rebellion, and was the main German infantry rifle of World War I. The Gewehr 98 saw further use by the Ottoman Empire. Many have been converted to sporting use, the Gewehr 98, named for 1898, the first year of its manufacture, superseded the earlier Gewehr 1888 in German service. The bolt-action design used for the Gewehr 98 was patented by Paul Mauser on 9 September 1895, the Gewehr 98 itself was the latest in a line of Mauser rifles that were introduced in the 1890s. The German Gewehr-Prüfungskommission adopted the Gewehr 98 on 5 April 1898, the action was derived from the experimental Gewehr 96 Rifle. In 1901, the first troop issues of the Gewehr 98 Rifles were made to the East Asian Expeditionary Force, the first combat use of the Gewehr 98 was during the Boxer Rebellion. In 1904, contracts were placed with Waffenfabrik Mauser for 290,000 rifles, at the outbreak of the war in 1914, the German Army had 2.273.080 Mauser 98-rifles of all types, additional 7.000.000 were produced during the war. The ammunition conversion was indicated by a small S stamped above the chamber and this was done since the 1888 pattern M/88 cartridge and 1903 S-bore pattern cartridge are two different non interchangeable chamberings. Since the new IS cartridge had a flatter trajectory the Lange Visier rear sight had to be changed with an S-adapted Lange Visier. The Gewehr 98 or model 98 rifle is a manually operated and it has a 740 mm long rifled barrel and carries 5 rounds of ammunition in an internal magazine. The Gewehr 98 has two sling swivels, open front sights, and a curved tangent-type rear sight, known as the Lange Visier, the controlled-feed bolt-action of the Gewehr 98 is a distinct feature and is regarded as one of the major bolt-action system designs. A drawback of the M98 system is that it cannot be cheaply mass-produced very easily, some other bolt-action designs offer trained operators a faster rate of fire. This third lug is a feature and was not present on previous Mauser bolt action designs. The bolt handle is attached to the bolt and, on the Gewehr 98, is straight. Combined with a slight bolt retraction at the last stage of the bolt opening cycle, caused by the surface on the rear receiver bridge. The M98 bolt-action will cycle correctly, irrespective of the way the rifle is moved or positioned during the bolt cycling action or if the cartridge has been fired or not. Only if the bolt is not brought back far enough, sharply enough, in a controlled round feed bolt-action the cartridge case may not be cleanly ejected and a jam may result. The bolt houses the firing pin mechanism that cocks when the bolt is opened, a cocking shroud lock that was not present on previous Mauser bolt-action designs was added. 92×57mm Mauser cartridge
34.
Belgium
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Belgium, officially the Kingdom of Belgium, is a sovereign state in Western Europe bordered by France, the Netherlands, Germany, Luxembourg, and the North Sea. It is a small, densely populated country which covers an area of 30,528 square kilometres and has a population of about 11 million people. Additionally, there is a group of German-speakers who live in the East Cantons located around the High Fens area. Historically, Belgium, the Netherlands and Luxembourg were known as the Low Countries, the region was called Belgica in Latin, after the Roman province of Gallia Belgica. From the end of the Middle Ages until the 17th century, today, Belgium is a federal constitutional monarchy with a parliamentary system of governance. It is divided into three regions and three communities, that exist next to each other and its two largest regions are the Dutch-speaking region of Flanders in the north and the French-speaking southern region of Wallonia. The Brussels-Capital Region is a bilingual enclave within the Flemish Region. A German-speaking Community exists in eastern Wallonia, Belgiums linguistic diversity and related political conflicts are reflected in its political history and complex system of governance, made up of six different governments. Upon its independence, declared in 1830, Belgium participated in the Industrial Revolution and, during the course of the 20th century, possessed a number of colonies in Africa. This continuing antagonism has led to several far-reaching reforms, resulting in a transition from a unitary to a federal arrangement during the period from 1970 to 1993. Belgium is also a member of the Eurozone, NATO, OECD and WTO. Its capital, Brussels, hosts several of the EUs official seats as well as the headquarters of major international organizations such as NATO. Belgium is also a part of the Schengen Area, Belgium is a developed country, with an advanced high-income economy and is categorized as very high in the Human Development Index. A gradual immigration by Germanic Frankish tribes during the 5th century brought the area under the rule of the Merovingian kings, a gradual shift of power during the 8th century led the kingdom of the Franks to evolve into the Carolingian Empire. Many of these fiefdoms were united in the Burgundian Netherlands of the 14th and 15th centuries, the Eighty Years War divided the Low Countries into the northern United Provinces and the Southern Netherlands. The latter were ruled successively by the Spanish and the Austrian Habsburgs and this was the theatre of most Franco-Spanish and Franco-Austrian wars during the 17th and 18th centuries. The reunification of the Low Countries as the United Kingdom of the Netherlands occurred at the dissolution of the First French Empire in 1815, although the franchise was initially restricted, universal suffrage for men was introduced after the general strike of 1893 and for women in 1949. The main political parties of the 19th century were the Catholic Party, French was originally the single official language adopted by the nobility and the bourgeoisie
35.
Mexico
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Mexico, officially the United Mexican States, is a federal republic in the southern half of North America. It is bordered to the north by the United States, to the south and west by the Pacific Ocean, to the southeast by Guatemala, Belize, and the Caribbean Sea, and to the east by the Gulf of Mexico. Covering almost two million square kilometers, Mexico is the sixth largest country in the Americas by total area, Mexico is a federation comprising 31 states and a federal district that is also its capital and most populous city. Other metropolises include Guadalajara, Monterrey, Puebla, Toluca, Tijuana, pre-Columbian Mexico was home to many advanced Mesoamerican civilizations, such as the Olmec, Toltec, Teotihuacan, Zapotec, Maya and Aztec before first contact with Europeans. In 1521, the Spanish Empire conquered and colonized the territory from its base in Mexico-Tenochtitlan, Three centuries later, this territory became Mexico following recognition in 1821 after the colonys Mexican War of Independence. The tumultuous post-independence period was characterized by instability and many political changes. The Mexican–American War led to the cession of the extensive northern borderlands, one-third of its territory. The Pastry War, the Franco-Mexican War, a civil war, the dictatorship was overthrown in the Mexican Revolution of 1910, which culminated with the promulgation of the 1917 Constitution and the emergence of the countrys current political system. Mexico has the fifteenth largest nominal GDP and the eleventh largest by purchasing power parity, the Mexican economy is strongly linked to those of its North American Free Trade Agreement partners, especially the United States. Mexico was the first Latin American member of the Organisation for Economic Co-operation and Development and it is classified as an upper-middle income country by the World Bank and a newly industrialized country by several analysts. By 2050, Mexico could become the fifth or seventh largest economy. The country is considered both a power and middle power, and is often identified as an emerging global power. Due to its culture and history, Mexico ranks first in the Americas. Mexico is a country, ranking fourth in the world by biodiversity. In 2015 it was the 9th most visited country in the world, Mexico is a member of the United Nations, the World Trade Organization, the G8+5, the G20, the Uniting for Consensus and the Pacific Alliance. Mēxihco is the Nahuatl term for the heartland of the Aztec Empire, namely, the Valley of Mexico, and its people, the Mexica and this became the future State of Mexico as a division of New Spain prior to independence. It is generally considered to be a toponym for the valley became the primary ethnonym for the Aztec Triple Alliance as a result. After New Spain won independence from Spain, representatives decided to name the new country after its capital and this was founded in 1524 on top of the ancient Mexica capital of Mexico-Tenochtitlan
36.
Austria
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Austria, officially the Republic of Austria, is a federal republic and a landlocked country of over 8.7 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Hungary and Slovakia to the east, Slovenia and Italy to the south, the territory of Austria covers 83,879 km2. The terrain is mountainous, lying within the Alps, only 32% of the country is below 500 m. The majority of the population speaks local Bavarian dialects of German as their native language, other local official languages are Hungarian, Burgenland Croatian, and Slovene. The origins of modern-day Austria date back to the time of the Habsburg dynasty, from the time of the Reformation, many northern German princes, resenting the authority of the Emperor, used Protestantism as a flag of rebellion. Following Napoleons defeat, Prussia emerged as Austrias chief competitor for rule of a greater Germany, Austrias defeat by Prussia at the Battle of Königgrätz, during the Austro-Prussian War of 1866, cleared the way for Prussia to assert control over the rest of Germany. In 1867, the empire was reformed into Austria-Hungary, Austria was thus the first to go to war in the July Crisis, which would ultimately escalate into World War I. The First Austrian Republic was established in 1919, in 1938 Nazi Germany annexed Austria in the Anschluss. This lasted until the end of World War II in 1945, after which Germany was occupied by the Allies, in 1955, the Austrian State Treaty re-established Austria as a sovereign state, ending the occupation. In the same year, the Austrian Parliament created the Declaration of Neutrality which declared that the Second Austrian Republic would become permanently neutral, today, Austria is a parliamentary representative democracy comprising nine federal states. The capital and largest city, with a population exceeding 1.7 million, is Vienna, other major urban areas of Austria include Graz, Linz, Salzburg and Innsbruck. Austria is one of the richest countries in the world, with a nominal per capita GDP of $43,724, the country has developed a high standard of living and in 2014 was ranked 21st in the world for its Human Development Index. Austria has been a member of the United Nations since 1955, joined the European Union in 1995, Austria also signed the Schengen Agreement in 1995, and adopted the euro currency in 1999. The German name for Austria, Österreich, meant eastern realm in Old High German, and is cognate with the word Ostarrîchi and this word is probably a translation of Medieval Latin Marchia orientalis into a local dialect. Austria was a prefecture of Bavaria created in 976, the word Austria is a Latinisation of the German name and was first recorded in the 12th century. Accordingly, Norig would essentially mean the same as Ostarrîchi and Österreich, the Celtic name was eventually Latinised to Noricum after the Romans conquered the area that encloses most of modern-day Austria, around 15 BC. Noricum later became a Roman province in the mid-first century AD, heers hypothesis is not accepted by linguists. Settled in ancient times, the Central European land that is now Austria was occupied in pre-Roman times by various Celtic tribes, the Celtic kingdom of Noricum was later claimed by the Roman Empire and made a province
37.
China
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China, officially the Peoples Republic of China, is a unitary sovereign state in East Asia and the worlds most populous country, with a population of over 1.381 billion. The state is governed by the Communist Party of China and its capital is Beijing, the countrys major urban areas include Shanghai, Guangzhou, Beijing, Chongqing, Shenzhen, Tianjin and Hong Kong. China is a power and a major regional power within Asia. Chinas landscape is vast and diverse, ranging from forest steppes, the Himalaya, Karakoram, Pamir and Tian Shan mountain ranges separate China from much of South and Central Asia. The Yangtze and Yellow Rivers, the third and sixth longest in the world, respectively, Chinas coastline along the Pacific Ocean is 14,500 kilometers long and is bounded by the Bohai, Yellow, East China and South China seas. China emerged as one of the worlds earliest civilizations in the basin of the Yellow River in the North China Plain. For millennia, Chinas political system was based on hereditary monarchies known as dynasties, in 1912, the Republic of China replaced the last dynasty and ruled the Chinese mainland until 1949, when it was defeated by the communist Peoples Liberation Army in the Chinese Civil War. The Communist Party established the Peoples Republic of China in Beijing on 1 October 1949, both the ROC and PRC continue to claim to be the legitimate government of all China, though the latter has more recognition in the world and controls more territory. China had the largest economy in the world for much of the last two years, during which it has seen cycles of prosperity and decline. Since the introduction of reforms in 1978, China has become one of the worlds fastest-growing major economies. As of 2016, it is the worlds second-largest economy by nominal GDP, China is also the worlds largest exporter and second-largest importer of goods. China is a nuclear weapons state and has the worlds largest standing army. The PRC is a member of the United Nations, as it replaced the ROC as a permanent member of the U. N. Security Council in 1971. China is also a member of numerous formal and informal multilateral organizations, including the WTO, APEC, BRICS, the Shanghai Cooperation Organization, the BCIM, the English name China is first attested in Richard Edens 1555 translation of the 1516 journal of the Portuguese explorer Duarte Barbosa. The demonym, that is, the name for the people, Portuguese China is thought to derive from Persian Chīn, and perhaps ultimately from Sanskrit Cīna. Cīna was first used in early Hindu scripture, including the Mahābhārata, there are, however, other suggestions for the derivation of China. The official name of the state is the Peoples Republic of China. The shorter form is China Zhōngguó, from zhōng and guó and it was then applied to the area around Luoyi during the Eastern Zhou and then to Chinas Central Plain before being used as an occasional synonym for the state under the Qing
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Romania
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Romania is a sovereign state located in Southeastern Europe. It borders the Black Sea, Bulgaria, Ukraine, Hungary, Serbia and it has an area of 238,391 square kilometres and a temperate-continental climate. With over 19 million inhabitants, the country is the member state of the European Union. Its capital and largest city, Bucharest, is the sixth-largest city in the EU, the River Danube, Europes second-longest river, rises in Germany and flows in a general southeast direction for 2,857 km, coursing through ten countries before emptying into Romanias Danube Delta. The Carpathian Mountains, which cross Romania from the north to the southwest are marked by one of their tallest peaks, Moldoveanu, modern Romania was formed in 1859 through a personal union of the Danubian Principalities of Moldavia and Wallachia. The new state, officially named Romania since 1866, gained independence from the Ottoman Empire in 1877, at the end of World War I, Transylvania, Bukovina and Bessarabia united with the sovereign Kingdom of Romania. Romania lost several territories, of which Northern Transylvania was regained after the war, following the war, Romania became a socialist republic and member of the Warsaw Pact. After the 1989 Revolution, Romania began a transition back towards democracy and it has been a member of NATO since 2004, and part of the European Union since 2007. A strong majority of the population identify themselves as Eastern Orthodox Christians and are speakers of Romanian. The cultural history of Romania is often referred to when dealing with artists, musicians, inventors. For similar reasons, Romania has been the subject of notable tourist attractions, Romania derives from the Latin romanus, meaning citizen of Rome. The first known use of the appellation was attested in the 16th century by Italian humanists travelling in Transylvania, Moldavia, after the abolition of serfdom in 1746, the word rumân gradually fell out of use and the spelling stabilised to the form român. Tudor Vladimirescu, a leader of the early 19th century. The use of the name Romania to refer to the homeland of all Romanians—its modern-day meaning—was first documented in the early 19th century. The name has been officially in use since 11 December 1861, in English, the name of the country was formerly spelt Rumania or Roumania. Romania became the predominant spelling around 1975, Romania is also the official English-language spelling used by the Romanian government. The Neolithic-Age Cucuteni area in northeastern Romania was the region of the earliest European civilization. Evidence from this and other sites indicates that the Cucuteni-Trypillian culture extracted salt from salt-laden spring water through the process of briquetage
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Axis powers
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The Axis powers, also known as the Rome–Berlin–Tokyo Axis, were the nations that fought in World War II against the Allied Powers. The Axis agreed on their opposition to the Allies, but did not completely coordinate their activity, the Axis grew out of the diplomatic efforts of Germany, Italy, and Japan to secure their own specific expansionist interests in the mid-1930s. The first step was the treaty signed by Germany and Italy in October 1936, Mussolini declared on 1 November that all other European countries would from then on rotate on the Rome–Berlin axis, thus creating the term Axis. The almost simultaneous second step was the signing in November 1936 of the Anti-Comintern Pact, Italy joined the Pact in 1937. At its zenith during World War II, the Axis presided over territories that occupied parts of Europe, North Africa. There were no three-way summit meetings and cooperation and coordination was minimal, the war ended in 1945 with the defeat of the Axis powers and the dissolution of their alliance. As in the case of the Allies, membership of the Axis was fluid, at the time he was seeking an alliance with the Weimar Republic against Yugoslavia and France in the dispute over the Free State of Fiume. The term was used by Hungarys prime minister Gyula Gömbös when advocating an alliance of Hungary with Germany, when Mussolini publicly announced the signing on 1 November, he proclaimed the creation of a Rome–Berlin axis. Italy under Duce Benito Mussolini had pursued an alliance of Italy with Germany against France since the early 1920s. He believed that Italy could expand its influence in Europe by allying with Germany against France, in early 1923, as a goodwill gesture to Germany, Italy secretly delivered weapons for the German Army, which had faced major disarmament under the provisions of the Treaty of Versailles. General Hans von Seeckt supported an alliance between Germany and the Soviet Union to invade and partition Poland between them and restore the German-Russian border of 1914. The discussions concluded that Germans still wanted a war of revenge against France but were short on weapons, however at this time Mussolini stressed one important condition that Italy must pursue in an alliance with Germany, that Italy must. Tow them, not be towed by them, the French government warned Italy that it had to choose whether to be on the side of the pro-Versailles powers or that of the anti-Versailles revanchists. Grandi responded that Italy would be willing to offer France support against Germany if France gave Italy its mandate over Cameroon, France refused Italys proposed exchange for support, as it believed Italys demands were unacceptable and the threat from Germany was not yet immediate. In 1932, Gyula Gömbös and the Party of National Unity rose to power in Hungary, Gömbös sought to alter Hungarys post–Treaty of Trianon borders by forming an alliance with Austria and Italy, knowing that Hungary alone was not capable of challenging the Little Entente powers. At the meeting between Gömbös and Mussolini in Rome on 10 November 1932, the question came up of the sovereignty of Austria in relation to the rise to power in Germany of the Nazi Party. Mussolini was worried about Nazi ambitions towards Austria, and indicated that at least in the term he was committed to maintaining Austria as a sovereign state. Italy had concerns over a Germany which included Austria laying land claims to German-populated territories of the South Tyrol within Italy, Mussolini said he hoped the Anschluss could be postponed as long as possible until the breakout of a European war that he estimated would begin in 1938
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Allies of World War II
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The Allies of World War II, called the United Nations from the 1 January 1942 declaration, were the countries that together opposed the Axis powers during the Second World War. The Allies promoted the alliance as seeking to stop German, Japanese, at the start of the war on 1 September 1939, the Allies consisted of France, Poland and the United Kingdom, and dependent states, such as the British India. Within days they were joined by the independent Dominions of the British Commonwealth, Australia, Canada, New Zealand, Poland was a minor factor after its defeat in 1939, France was a minor factor after its defeat in 1940. China had already been into a war with Japan since the Marco Polo Bridge Incident of 1937. The alliance was formalised by the Declaration by United Nations, from 1 January 1942, however, the name United Nations was rarely used to describe the Allies during the war. The leaders of the Big Three – the UK, the Soviet Union, in 1945, the Allied nations became the basis of the United Nations. The origins of the Allied powers stem from the Allies of World War I, Germany resented signing Treaty of Versailles. The new Weimar republics legitimacy became shaken, by the early 1930s, the Nazi Party led by Adolf Hitler became the dominant revanchist movement in Germany and Hitler and the Nazis gained power in 1933. The Nazi regime demanded the cancellation of the Treaty of Versailles and made claims to German-populated Austria. The likelihood of war was high, and the question was whether it could be avoided through strategies such as appeasement, in Asia, when Japan seized Manchuria in 1931, the League of Nations condemned it for aggression against China. Japan responded by leaving the League of Nations in March 1933, after four quiet years, the Sino-Japanese War erupted in 1937 with Japanese forces invading China. The League of Nations condemned Japans actions and initiated sanctions on Japan, the United States, in particular, was angered at Japan and sought to support China. In March 1939, Germany took over Czechoslovakia, violating the Munich Agreement signed six months before, Britain and France decided that Hitler had no intention to uphold diplomatic agreements and responded by preparing for war. On 31 March 1939, Britain formed the Anglo-Polish military alliance in an effort to avert a German attack on the country, also, the French had a long-standing alliance with Poland since 1921. The Soviet Union sought an alliance with the powers. The agreement secretly divided the independent nations of eastern Europe between the two powers and assured adequate oil supplies for the German war machine, on 1 September 1939, Germany invaded Poland, two days later Britain and France declared war on Germany. Then, on 17 September 1939, the Soviet Union invaded Poland from the east, a Polish government-in-exile was set up and it continued to be one of the Allies, a model followed by other occupied countries. After a quiet winter, Germany in April 1940 invaded and quickly defeated Denmark, Norway, Belgium, Britain and its Empire stood alone against Hitler and Mussolini
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Besa machine gun
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The Besa machine gun was a British version of the Czechoslovak ZB-53 air-cooled, belt-fed machine gun, which in the Czechoslovak army was marked as the TK vz.37. Although it required a large opening in the tanks armour. The name came from the Birmingham Small Arms Company, who signed an agreement with Československá zbrojovka to manufacture the gun in the UK, the War Office ordered the weapon in 1938, and production began in 1939, after modifications. Although Britains armed forces used the.303 in rimmed round for rifles and machine guns, although it had been intended for the British to move from rimmed to rimless ammunition generally, with war imminent wholesale change was not possible. It was considered by BSA and the Ministry of Supply that the industrial, technical, as a consequence, the round was not changed for British production. Since the Besa used the same ammunition as Germany used in its rifles and machine guns, while American-produced armoured cars or tanks would have been fitted with.30 cal Browning machine guns, many British tanks and armoured cars would be equipped with the Besa machine gun. It fed from non-disintegrating disposable 225-round steel metal-link belts, the Mark II version entered service in June 1940. It was modified with a selector to give a rate of fire for close combat or focused targets or a low rate of fire for long-range combat or area targets. As the war progressed the design was modified to be rapidly and economically produced. Three simplified models, the Mark II*, Mark III and Mark III*, the Mark II* was a transitional model designed to use the new simplified parts, but had backwards compatibility with the Mark II. The Mark III and Mark III* versions did away with the selector and had simplified parts like the Mark II*. The Mark III/2 introduced in 1952 was a conversion of the Mark III* with a new bracket, the post-war Mark III/2 and Mark III/3 remained in service until the late 1960s. A larger, heavier – at 57 kg –15 mm version and it could be fired in semi-automatic mode as well as fully automatic. It was introduced in British service in June 1940 and was used on the Light Tank Mk VIC, over 3,200 15mm Besa were manufactured until it was declared obsolete in 1949. It fired a 75 gram bullet from a 15×104mm cartridge with a velocity of 818.3 m/s at a rate of 450 rounds per minute. A few of the original ZB-60 guns were used by the SS although mostly with the ammunition of the MG 151/15
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