SELF-LOADING SMALL-SIZED GUN FOR SELF-DEFENCE Russian patent published in 2015 - IPC F41C3/00 F41A15/00 

FIELD: weapons and ammunition.

SUBSTANCE: invention relates to firearms, namely self-loading small-sized gun for self-defence. The gun comprises a barrel, a cartridge chamber, a trigger mechanism, a tube magazine, a breech mechanism, and also a firing mechanism, a handle which is the framework of the receiver, a gas chamber. The trigger mechanism comprises a trigger, a trigger bar, a connector and a sear nose connected to the locking tooth. The tube magazine holds five cartridges and performs the role of the forward assist. The breech mechanism comprises a locking tooth, forming one piece with the sear nose, a gas piston with the return spring and the door of the cartridge chamber. The gun hammer is spring-loaded in a vertical plane and flattens the rim of the cartridge in a lowered state when interaction with the bevel of the cartridge chamber door. Locking the cartridge chamber is carried out by pressing the trigger using the locking tooth. The cartridge chamber door with its lower part enters the cut-out of the window of the latter for reliable retention of the cartridge to nearly complete recoil of the breech mechanism.

EFFECT: increase of the capacity and decrease of the gun climb.

4 dwg