A breechloader is a firearm in which the user loads the ammunition from the breech end of the barrel, as opposed to a muzzleloader, in which the user loads the ammunition from the (muzzle) end of the barrel.
Breech from Russian 122 mm M1910 howitzer, modified and combined with 105mm H37 howitzer barrel
Three-shot experimental breech-loading cannon (burst) belonging to Henry VIII of England, 1540–1543.
Early types of breech-loaders from the 15th and 16th century on display at the Army Museum in Stockholm.
Breech-loading firearm that belonged to Philip V of Spain, made by A. Tienza, Madrid circa 1715. It came with a ready-to-load reusable cartridge. This is a miquelet system.
A firearm is any type of gun that uses an explosive charge and is designed to be readily carried and used by an individual. The term is legally defined further in different countries.
The Colt Single Action Army, a revolver chambered in .45 Colt
The Glock 19, a pistol chambered in 9×19mm Parabellum
The Mosin–Nagant, a rifle chambered in 7.62×54mmR
The M4 carbine, a carbine derivative of the M16 rifle, chambered in 5.56×45mm NATO