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.17 HM2

The.17 Hornady Mach 2, or.17 HM2, is a rimfire cartridge introduced in 2004 by the ammunition manufacturer Hornady, following the successful launch in 2002 of the.17 HMR. The.17 HM2 is based on the.22 Long Rifle "Stinger" case, necked down to.17 caliber and using a bullet weighing less than half the weight of a typical.22 Long Rifle bullet. The weight of the bullet is a key part of achieving the high velocity for a rimfire round, it weighs. The.17 HM2 may or may not live up to its "Mach 2" name, depending on geographic location and conditions, with velocities out of a rifle of 2,100 ft/s. The velocity is nearly double that of a standard.22 LR, which results in a much flatter trajectory out to its 175-yard effective range. Since the.17 HM2 is based on the.22 LR, converting most bolt action firearms chambered in.22 LR to.17 HM2 requires only a barrel change. The higher pressure makes conversion of semi-automatic firearms more difficult, as all are blowback designs that are sensitive to pressure changes.

Conversion kits have appeared, they replace the factory bolt or bolt handle with a heavier one to increase the bolt mass and compensate for the higher pressure..17 PMC/Aguila List of handgun cartridges List of rifle cartridges Table of handgun and rifle cartridges 4 mm caliber.17 Rimfire Eley CCI "The.17 HM2" by Chuck Hawks

Prvić (Krk)

Prvić is an uninhabited island in the Croatian part of the Adriatic Sea, located in the Kvarner Gulf. It is the largest of the so-called Senj Islands, a group of small islands and islets located off the coast of the mainland city of Senj, lying between the larger islands of Krk and Rab. Other significant islands in the Senj group are Sveti Grgur and Goli Otok, along with a number of islets and rocks, which are all uninhabited. Prvić has an area is 12.76 square kilometres, which makes it the largest uninhabited Croatian island and 30th largest overall. Prvić is located southeast of Krk, separated from it by an 800 m wide Senj Passage and it is geomorphologically considered part of the same landform as the Obzova hill, Krk's highest peak, which forms the southwestern part of the Baška cove with the coastal town of Baška. Prvić's southernmost cape Šilo is 4 km away from the mainland as the crow flies and it is the point closest to mainland. Harbours nearest to Prvić are Sveti Juraj, a hamlet near Senj at the foot of the Velebit, Baška on the island of Krk.

The island itself is 7.4 km long. Its westernmost point is called Debeli Art and its northernmost point is cape Brezonjin, where the automatic Stražica Lighthouse is located. Three km southwest of Prvić is the island of Sveti Grgur, separated from Prvić by the Grgurov kanal. In addition, three kilometres to the south of Prvić's southernmost point, cape Šilo, is Goli otok. Like Prvić, both Sveti Grgur and Goli otok are today uninhabited. Prvić's highest peak is Šipovac. Although most of the island is inaccessible as its coastal areas are made up of steep barren cliffs 250–300 m high, the western slope where the lighthouse is located has several gullies through which the island's plateau can be reached; the western side has several coves which are suitable for swimmers, near the beach called Njivice on the southwestern part of the island the remains of a medieval settlement owned by the House of Frankopan were found. The sea around the island is on average 70–90 meters deep, with the deepest point being at cape Šilo, where a depth of 107 meters has been recorded.

The island is notable for the bora wind which blows in gusts on average 203 days per year, reaches force of 11-12 on the Beaufort scale 73 days per year, according to weather records which used to be kept by the lighthouse crew. Because of this, Prvić is considered the windiest Croatian island. Although the island is uninhabited, it is used by shepherds for pasture and by local beekeepers who keep apiaries on the island. Prvić and parts of the nearby island of Krk are areas with the highest concentration of Common sage shrubs in the entire Croatian Adriatic, honey produced by bees feeding on the plant's nectar is prized for its quality. Griffon vultures, a protected bird species, are known to breed at Prvić, their colony on the island is second in size only to their main breeding ground on the island of Cres, to the south of Prvić; the island marks the northern boundary of their coastal habitat. In addition, there are 17 species of endemic plants; because of this the island of Prvić is protected as a botanical and bird reserve.

List of islands of Croatia Article about Stražica lighthouse published in Novi list Stražica lighthouse at Plovput.hr Stamp depicting the Stražica lighthouse issued by the Croatian Post in September 2009

Swimming at the 2008 Summer Olympics – Women's 200 metre freestyle

The women's 200 metre freestyle event at the 2008 Olympic Games took place on 11–13 August at the Beijing National Aquatics Center in Beijing, China. Italy's Federica Pellegrini broke a new world record of 1:54.82 to claim a gold medal in the event. Sara Isakovič, who finished behind Pellegrini by 0.15 of a second, cleared a 1:55 barrier to set a new Slovenian record of 1:54.97, become the nation's first medalist in swimming. China's Pang Jiaying edged out U. S. swimmer Katie Hoff on the final lap to pick up a bronze in 1:55.05. Hoff finished in fourth place in an American record of 1:55.78. Defending champion Camelia Potec finished outside the medals in fifth place, posting a Romanian record of 1:56.87. Great Britain's Caitlin McClatchey earned a sixth spot in 1:57.65, was followed by a seventh-place tie between Australia's Bronte Barratt and France's Ophélie-Cyrielle Étienne in a matching time of 1:57.83. For the first time in Olympic history, all eight swimmers went faster than a winning time of 1:58.03 set by Potec in Athens four years earlier.

Earlier in the prelims, Pang broke one of the oldest Olympic records in the book, when she clocked at 1:57.37 to lead the fourth heat, slashing 0.28 seconds off the old mark set by East Germany's Heike Friedrich from Seoul in 1988. Two heats Pellegrini posted a top-seeded time of 1:55.45 to erase Laure Manaudou's world record, set in 2007. Prior to this competition, the existing world and Olympic records were; the following new world and Olympic records were set during this competition. Official Olympic Report