SMOOTH-BORE GUNS CARTRIDGE WITH DESTRUCTIBLE BULLET Russian patent published in 2017 - IPC F42B7/10 F42B5/28 F42B12/24 

FIELD: weapons and ammunition.

SUBSTANCE: invention relates to smooth-bore guns cartridges and can be used for sport shooting on sport ranges and closed shooting ranges using bullet traps, as well as for MIA needs. Cartridge includes case, cap primer, main propellant charge, additional part of propellant charge, separated from main propellant charge by diaphragm with opening, second additional part of propellant charge, separated from additional part of propellant charge by diaphragm with opening, gas seal obturating ring and collapsing bullet with bulk powdered material, having plastic cylindrical shell with blind and open ends, through which bulk powdered material is placed inside it, and which is arranged in cartridge case with open end towards gas seal obturating ring. Collapsible bullet is made from plastic cylindrical shell, on which shell outer surface notches are made, facilitating bullet destruction, and inside of which sealing plastic thin-walled tube is arranged, which partially comes out of plastic shell and by one end thrusts directly against gas seal obturating ring, and by second end is against bulk powder material.

EFFECT: technical result consists in increase of collapsible bullet flight speed due to increased propellant charge weight without increasing gun powder gases maximum pressure inside smooth-bore weapon barrel.

1 cl, 2 dwg