7.63×25mm Mauser

The 7.63×25mm Mauser (.30 Mauser Automatic) round is a bottleneck, rimless, centerfire cartridge, originally developed for the Mauser C96 service pistol. This cartridge headspaces on the shoulder of the case. It later served as the basis for the 7.62mm Tokarev cartridge commonly used in Soviet and Eastern Bloc weapons.

7.63×25mm Mauser
TypePistol
Place of originGerman Empire
Service history
Used byGermany, Soviet Union, China, Spain and Finland
Production history
DesignerDeutsche Waffen und Munitionsfabriken
Designed1896
Specifications
Parent case7.65×25mm Borchardt
Case typeRimless, bottleneck
Bullet diameter7.86 mm (0.309 in)
Land diameter7.62 mm (0.300 in)
Neck diameter8.46 mm (0.333 in)
Shoulder diameter9.60 mm (0.378 in)
Base diameter9.86 mm (0.388 in)
Rim diameter9.98 mm (0.393 in)
Case length25.15 mm (0.990 in)
Overall length34.80 mm (1.370 in)
Ballistic performance
Bullet mass/type Velocity Energy
5.6 g (86 gr) FMJ 441 m/s (1,450 ft/s) 545 J (402 ft⋅lbf)
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