7.92×57mm Mauser
The 7.92×57mm Mauser (designated as the 8mm Mauser or 8×57mm by the SAAMI and 8 × 57 IS by the C.I.P.) is a rimless bottlenecked rifle cartridge. The 7.92×57mm Mauser cartridge was adopted by the German Empire in 1903–1905, and was the German service cartridge in both World Wars. In its prime, the 7.92×57mm Mauser cartridge was one of the world's most popular military cartridges. In the 21st century it is still a popular sport and hunting cartridge that is factory-produced in Europe and the United States.
| 7.92×57mm Mauser, 8×57mm (IS or Mauser) | ||||||||||||||||||||||||
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From left to right 7.92×33mm Kurz, 7.62×39mm, 5.56×45mm NATO, 7.62×51mm NATO, .303 British, 6.5×55mm Swedish, 7.92×57mm Mauser, and .30-06 Springfield military 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 numerous others | |||||||||||||||||||||||
| Production history | ||||||||||||||||||||||||
| Designer | German Rifle Testing Commission | |||||||||||||||||||||||
| Designed | 1903 | |||||||||||||||||||||||
| Produced | 1903–present | |||||||||||||||||||||||
| Variants | 8×57mm IRS (rimmed) | |||||||||||||||||||||||
| Specifications | ||||||||||||||||||||||||
| Parent case | M/88 | |||||||||||||||||||||||
| Case type | Rimless, bottleneck | |||||||||||||||||||||||
| Bullet diameter | 8.22 mm (0.324 in) | |||||||||||||||||||||||
| Land diameter | 7.89 mm (0.311 in) | |||||||||||||||||||||||
| 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 H2O) | |||||||||||||||||||||||
| Rifling twist | 240 mm (1 in 9.45 in) | |||||||||||||||||||||||
| Primer type | Large rifle | |||||||||||||||||||||||
| Maximum pressure (C.I.P.) | 390.0 MPa (56,560 psi) | |||||||||||||||||||||||
| Maximum pressure (SAAMI) | 241.3 MPa (35,000 psi) | |||||||||||||||||||||||
| Maximum CUP | 37,000 CUP | |||||||||||||||||||||||
| Ballistic performance | ||||||||||||||||||||||||
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| Test barrel length: 600 mm (23.62 in) Source(s): RWS / RUAG Ammotech | ||||||||||||||||||||||||
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