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It then became widely known under the designation "7,62мм винтовочный патрон" (7.62 mm rifle cartridge). The round has erroneously come to be known as the "7.62mm Russian" (and is still often referred to as such colloquially), but, according to standards, the R in designation (7.62×54mmR) stands for "rimmed", in line with ...
The below table gives a list of firearms that can fire the 7.62×54mmR cartridge. The cartridge was originally developed for the Mosin–Nagant rifle and introduced in 1891 by the Russian Empire. It was the service cartridge of the late Tsarist era and throughout the Soviet period to the present-day Russia and other countries as well.
The 7.62 mm designation refers to the internal diameter of the barrel at the lands (the raised helical ridges in rifled gun barrels). The actual bullet caliber is often 7.82 mm (0.308 in), although Soviet weapons commonly use a 7.91 mm (0.311 in) bullet, as do older British (.303 British) and Japanese (7.7×58mm Arisaka) cartridges.
The first AC-130A Gunship IIs did away with the MXU-470/A mounts and instead used GAU-2/As, and not only had four 7.62mm GAU-2/A minigun mounts, but added four 20mm M61 Vulcan 6-barrel rotary cannons; this configuration was upgraded two years later in 1969 by removing two each of the GAU-2/As and M61s and adding two 40mm (1.58 in) L/60 Bofors ...
7.62×51mm variant of Pindad SS2. Pindad SM-2: General-purpose machine gun Indonesia 2003–present Licensed copy of the FN MAG: Karabiner 98k: Bolt-action rifle Israel 1958–1970s Rechambered from the original 7.92×57mm Mauser. IMI Galil AR: Battle rifle Israel 1972–present 7.62×51mm variant of IMI Galil. IWI Tavor 7: Bullpup battle rifle ...
The feed is not straightforward, as the gun fires the 7.62×54mmR round, and this has to be withdrawn rearwards from the belt before ramming into the breech. The reciprocating motion is achieved by using two claws to pull the round from the belt, and then an arm pushes the round into the cartridge guide ready for the bolt to carry it to the breech.
The PK uses the 7.62×54mmR Eastern Bloc standard cartridge that produces significantly more bolt thrust when compared to the Eastern Bloc 7.62×39mm and 5.45×39mm intermediate cartridges. With the use of a single spare parts kit and two barrel assemblies the service life of the modernized PKM machine gun series is guaranteed for at least ...
The AA-52 originally used the standard 7.5×54mm French cartridge. The general adoption of the 7.62×51mm NATO cartridge reduced the opportunity for export sales, and the gun was adapted for this standard NATO calibre.