762x25mm
The 7.62x25mm Tokarev, often written 7.62×25mm, is a bottleneck pistol cartridge developed by the Soviet Union in the 1930s for use in self-loading pistols and submachine guns. It uses a 7.62 mm bullet in a rimless, bottleneck case 25 mm long. The cartridge is designed for high muzzle velocity to improve performance in short barrels. Typical loadings use an 85-grain (5.5 g) full metal jacket bullet, producing muzzle velocities around 1,400–1,600 feet per second (430–490 m/s) and muzzle energies in the lower to mid hundreds of joules. Armor-p piercing, incendiary, tracer, and other variants appeared in various periods.
The 7.62x25 was adopted by the Soviet armed forces in the 1930s and became standard for several