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8x57

 

7.92×57mm Mauser
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From left to right 9.3×62mm, .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 numerous others
Production history
Designer German Rifle Testing Commission
Designed 1903/1905
Produced 1888–present
Variants 8×57mm IRS (rimmed)
Specifications
Parent case M/88
Case type Rimless, bottleneck
Bullet diameter 8.22 mm (0.324 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)
Ballistic performance
Bullet mass/typeVelocityEnergy
11.7 g (181 gr) RWS DK 820 m/s (2,700 ft/s) 3,934 J (2,902 ft·lbf)
12.1 LP 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)
Test barrel length: 600 mm (23.62 in)
Source(s): RWS / RUAG Ammotech
Image Module
DME Rifling Header Graphic 1
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