CARTRIDGELESS AUTOMATIC GUN WITH BULLET CHAMBER OF VARIABLE VOLUME Russian patent published in 2016 - IPC F41C3/00 

FIELD: weapons and ammunition.

SUBSTANCE: invention relates to small arms, particularly to a cartridgeless automatic gun. Cartridgeless automatic gun comprises a barrel, a body with a gas vent, a pre-barrel part, a breech frame, a breech wedge, a bullet chamber bolt, a wedge seat, a powder plug and a bullet magazine. Gun is made with the possibility of separate loading of powder and a bullet into different parts of the gun. Powder is loaded into a powder receiving chamber, and a bullet - into the pre-barrel part, from where bullets move into the barrel. Powder from the receiving chamber moves into the bullet chamber, where combustion takes place and where from powder gases through a gas-discharge piston of the bullet chamber bolt enter the barrel, where they bring the bullet into motion. Inside the bullet chamber bolt, by the bullet chamber bolt carriage movement, caused is variation of: the bullet chamber volume, the powder receiving chamber volume, the powder plug limiting piston stroke pitch value and the volume of loaded powder from the powder plug into the powder receiving chamber.

EFFECT: provided is higher ammunition load of the gun.

1 cl, 11 dwg