PISTOL CARTRIDGE Russian patent published in 1998 - IPC

FIELD: magazine pistols and submachine guns. SUBSTANCE: the cartridge has a bullet with a steel slug, cylinder-type cartridge case, propellant charge and a primer, having the following parameters: cartridge length - 3.1 to 3.4 d; bullet mass factor - 7.0 to 8.5 gf/cu.cm; steel slug mass - (0.65 to 0.75) of the bullet mass, where d - bullet caliber; powder force of the propellant charge makes up 1,020,000 to 1,200,00 kgm/kg; and the powder bulk density is 0.9 to 1.1 g/cu.cm. EFFECT: enhanced efficiency. 1 dwg, 1 tbl