7.92×57Mm Mauser 1 7.92×57Mm Mauser
7.92×57mm Mauser 1 7.92×57mm Mauser 7.92×57mm Mauser From left to right 9.3×62 mm, .30-06 Springfield, 7.92×57mm Mauser, 6.5×55mm and .308 Winchester cartridges Type Rifle Place of origin German Empire Service history In service 1905–present Used by Germany, United Kingdom, Spain, Czechoslovakia, Poland, China, Dominican Republic, Yugoslavia, Ottoman Empire, Turkey, Iran, Egypt, and many other countries Wars World War I, World War II and others Production history Designer German Rifle Testing Commission Designed 1903/1905 Variants 8×57mm IRS (rimmed) Specifications Parent case M/88 Case type Rimless, bottleneck Bullet diameter 8.08 mm / .318 (I and IR) and 8.20 / .323" (IS and IRS) Neck diameter 9.08 mm (0.357 in) Shoulder diameter 10.95 mm (0.431 in) Base diameter 11.94 mm (0.470 in) Rim diameter 11.95 mm (0.470 in) Rim thickness 1.30 mm (0.051 in) Case length 57.00 mm (2.244 in) Overall length 82.00 mm (3.228 in) Case capacity 4.09 cm3 (63.1 gr H O) 2 Rifling twist 240 mm (1 in 9.45 in) Primer type Large rifle 7.92×57mm Mauser 2 Maximum pressure 390 MPa (57,000 psi) Ballistic performance Bullet weight/type Velocity Energy 11.7 g (181 gr) RWS DK 820 m/s (2,700 ft/s) 3,934 J (2,902 ft·lbf) 12.1 g (187 gr) RWS 820 m/s (2,700 ft/s) 4,068 J (3,000 ft·lbf) HMK 12.7 g (196 gr) RWS 800 m/s (2,600 ft/s) 4,064 J (2,997 ft·lbf) TMR 12.8 g (198 gr) RWS ID 800 m/s (2,600 ft/s) 4,096 J (3,021 ft·lbf) Classic Test barrel length: 600 mm (23.62 in) [1] Source(s): RWS / RUAG Ammotech The 7.92×57mm Mauser (designated as the 8mm Mauser or 8×57mm by the SAAMI [2] and 8 × 57 IS by the C.I.P.[3]) is a rimless bottlenecked rifle cartridge.
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