CARTRIDGE Russian patent published in 1998 - IPC

FIELD: small-arms cartridges, in particular, cartridges for hunting guns or for other firearm, for instance, pistols, revolvers intended for armament of employees of police, custom-house officers, securities and other services. SUBSTANCE: the cartridge has a cartridge case with a primer crimped on the front end, propellant charge and propelled body in the form of one or several following one another bullets. The minimum inside diameter of the cartridge case crimped end is within 0.90 to 0.97 of the arm caliber. The length of the crimped section of the cartridge case from the muzzle end is 1.8 to 1.9 of the arm caliber. The propelled body may be fastened by an annular shoulder formed on the inner surface of the cartridge case. A spacer may be installed between the propelled body and charge, the spacer may have undercuts - localizers. EFFECT: enhanced efficiency. 6 cl, 2 dwg