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)
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
TypeRifle
Place of originGerman Empire
Service history
In service1905–present
Used byGermany, United Kingdom, Spain, Czechoslovakia, Poland, China, Dominican Republic, Yugoslavia, Ottoman Empire, Turkey, Iran, Egypt, and many other countries
WarsWorld War I,
World War II,
and numerous others
Production history
DesignerGerman Rifle Testing Commission
Designed1903
Produced1903–present
Variants8×57mm IRS (rimmed)
Specifications
Parent caseM/88
Case typeRimless, bottleneck
Bullet diameter8.22 mm (0.324 in)
Land diameter7.89 mm (0.311 in)
Neck diameter9.08 mm (0.357 in)
Shoulder diameter10.95 mm (0.431 in)
Base diameter11.94 mm (0.470 in)
Rim diameter11.95 mm (0.470 in)
Rim thickness1.30 mm (0.051 in)
Case length57.00 mm (2.244 in)
Overall length82.00 mm (3.228 in)
Case capacity4.09 cm3 (63.1 gr H2O)
Rifling twist240 mm (1 in 9.45 in)
Primer typeLarge rifle
Maximum pressure (C.I.P.)390.0 MPa (56,560 psi)
Maximum pressure (SAAMI)241.3 MPa (35,000 psi)
Maximum CUP37,000 CUP
Ballistic performance
Bullet mass/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 HMK 820 m/s (2,700 ft/s) 4,068 J (3,000 ft⋅lbf)
12.7 g (196 gr) RWS TMR 800 m/s (2,600 ft/s) 4,064 J (2,997 ft⋅lbf)
12.8 g (198 gr) RWS ID Classic 800 m/s (2,600 ft/s) 4,096 J (3,021 ft⋅lbf)
9.0 g (139 gr) RWS EVO GREEN 920 m/s (3,000 ft/s) 3,809 J (2,809 ft⋅lbf)
Test barrel length: 600 mm (23.62 in)
Source(s): RWS / RUAG Ammotech
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