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Even though the Sporting Arms and Ammunition Manufacturers' Institute (SAAMI) does not consider it unsafe to fire the commercial .308 Winchester rounds in weapons chambered for the military 7.62×51mm NATO round, there is significant discussion about compatible chambers and muzzle pressures between the two cartridges based on powder loads ...
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.
In 1954, NATO introduced 7.62×51 mm NATO as their standard cartridge, and a small number of Mauser carbines were rebuilt to 7.62×51 mm with the designation "7,62 mm Mauser M98kF2" (with F2 meaning "forbedring 2", or literally 'improvement 2').
The .308 Winchester has a 3.64 mL (56 gr H 2 O) cartridge case capacity. [9] The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles and machine guns alike, under extreme conditions. .308 Winchester maximum C.I.P. cartridge dimensions. All dimensions in millimeters (mm) and inches.
The below table gives a list of firearms that can fire the 7.62×51mm NATO cartridge. This ammunition was developed following World War II as part of the NATO small arms standardization, it is made to replicate the ballistics of a pre-WWII full power rifle cartridge in a more compact package.
The .308 Winchester and the 7.62 NATO (7.62 x 51) are not identical, the former is very slightly larger. However, they are sufficiently similar that 7.62 NATO ammunition can be safely fired in .308 Winchester rifles and vice versa. 86.166.66.41 15:12, 7 February 2011 (UTC)
7,62 mm Sk Ptr 10 PRICK In use with the Psg 90 sniper rifle. .50 BMG (12.7×99mm NATO) United States M903 (standard) M962 (tracer) For use in M2 machine guns only (the open-tipped round design reduces compatibility). The 355 grains (23.0 g) projectile runs at 4,000 feet per second (1,200 m/s), for a kinetic energy of 12,200 foot-pounds force ...
7.62mm Thumper is a barrel specification optimized to run larger bullets out of standard 7.62×39mm cases. [1] Barrels are cut to a standard 7.62×39mm "Russian" chamber but the bore ideally uses a faster 1:8" rifling twist rate in order to stabilize bullets heavier than 200gr at subsonic speeds. [2]