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The 7.62×45mm has a 2.79 mL (43.1 gr H 2 O) cartridge case capacity. The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action and semi-automatic rifles and machine guns alike, under extreme conditions. 7.62×45mm maximum C.I.P. cartridge dimensions. All sizes in millimeters (mm).
After pressure from the Soviet Union to adopt its 7.62×39mm cartridge, existing Czech rifles were rechambered to the Soviet caliber, and all further production of the rifle was chambered in this caliber and re-designated the vz. 52/57. The vz. 52/57 is identical to the vz. 52 except for its barrel and its magazines.
The parent case (5.56×45mm NATO) was trimmed down to 1.560" and re-sized with a 7.62×40mm WT sizing die. [3] The overall case length after the shortening and re-sizing is 1.565". The cartridge was designed to use .308" diameter bullets in weights of 110 to 150 grains, with a standard twist rate of 1-12". [1]
7.62×45mm vz. 52, made solely for the Czechoslovakian vz. 52 rifle, was replaced by 7.62×39mm. 7.62×51mm NATO and its civilian variant .308 Winchester , sometimes described as .308 NATO by people mixing Imperial and Customary measurements, is used by some civilians, with metric measurements used by NATO.
An intermediate cartridge is a rifle/carbine cartridge that has significantly greater power than a pistol cartridge but still has a reduced muzzle energy compared to fully powered cartridges (such as the .303 British, 7.62×54mmR, 7.65×53mm Mauser, 7.92×57mm Mauser, 7.7×58mm Arisaka, .30-06 Springfield, or 7.62×51mm NATO), and therefore is ...
The vz. 52 initially used the Czech 7.62×45mm vz. 52 cartridge, but in the mid-1950s it was converted to the standard 7.62×39mm Warsaw Pact round by Jaroslav Myslík, and named the vz. 52/57. [8] Both models were replaced in Czech service in 1963–64 by the Universal Machine Gun Model 1959 , also known as the Uk vz.
Nearly 100 years after the .276 Pedersen introduced the concept of a 7mm infantry round for semi-automatic rifles, on April 19, 2022, the United States Army adopted the .277 Fury (6.8x51mm Common) as the United States Army's general-purpose cartridge, this cartridge features a 7.04 mm bullet in a two-part version of a necked down 7.62x51mm NATO ...
The 300 BLK was designed with a specific shorter-range focus to have equal or more energy than the 7.62 Soviet and work reliably with suppressors. The earlier 6.8 SPC was simply designed to have more energy at all ranges than the 5.56×45 mm. It has a relatively small projectile with a high velocity that maintains performance at range.