7.92×57mm Mauser
| 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, Czechoslovakia, Spain, 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 | 7.92 mm (0.312 in) or 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 | ||||||||||||||||||||||||
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 the first half of the 20th century, the 7.92×57mm Mauser cartridge was one of the world's most popular military cartridges. In the 21st century, it is a popular civiliansport and hunting cartridge in the West.