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Winchester branded the cartridge and introduced it to the commercial hunting market as the .308 Winchester. The dimensions of .308 Winchester are almost the same as 7.62×51mm NATO. The chamber of the former has a marginally shorter headspace and thinner case walls than the latter due to changed specifications between 1952 and 1954.
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 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.
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 308 Winchester and 7.62X51 are identical cartridgesThe cartridege was developed in the USA as a commercial round with an Imperial measurement ie .308 inches.The cartridge was adopted in Europe where all military calibers- even in the UK who still use miles instead of kilometres- all calibers are metric hence 7.62x51 millimetres.
In addition, both the 6.8 × 51mm and the 7mm-08 Remington share the same parent case of the 7.62x51mm NATO, necked down to accept the respective bullet of each cartridge. [32] The most dramatic departure between these two cartridges concerns a new manufacturing technique used in relation to the 6.8 × 51 combat cartridge (designated as the 135 ...
The M134 Minigun is an American 7.62×51mm NATO six-barrel rotary machine gun with a high rate of fire (2,000 to 6,000 rounds per minute). [2] It features a Gatling-style rotating barrel assembly with an external power source, normally an electric motor.
The 7.62 comes from the diameter of the barrel, where the Ø lands = 7.62 mm. The same logic applies for the 5.56x45mm NATO, where the Ø lands = 5.56 mm. Cartridge nomenclature is rather chaotic, so the logic NATO applied for the 7.62x51mm NATO and 5.56x45mm NATO cartridges is not universal.--Francis Flinch 09:37, 11 January 2014 (UTC)