Originally adopted as the official Soviet Military pistol cartridge for the Tokarev Model TT-30. 

New Production Ammo can be found manufactured by Winchester and Sellier & Bellot.
 
 
 

Specification 7.62 x 25 mm Tokarev Bullet Diameter .307 Neck Diameter .330 Case Length .97 Cartridge Length 1.35 Velocity 1390 Energy 365