SUBMACHINE GUN WITH MUZZLE BLAST SUPPRESSOR Russian patent published in 2009 - IPC F41C3/00 F41A21/30 

FIELD: weaponry.

SUBSTANCE: invention relates to small arms. The proposed submachine gun incorporates synchronising gear, breechblock gas brake and spring-loaded valve to discharge gases in the blast suppressor chambers. Note that the said synchronising gear and rocker are arranged on the breech frame cover, while the breechblock brake represents an orifice made in the muzzle top and gas chamber arranged inside the breechblock hollow rod. Aforesaid valve to discharge gases into the blast suppressor chambers represents a cylinder with two symmetric rectangular openings arranged around the muzzle. The muzzle rifled part features two symmetric rows of lateral holes closed by spring-loaded valve walls. Note also that the said valve incorporates a switch representing a rotary coupling arranged at the muzzle front.

EFFECT: higher accuracy of hits and concealed use.

1 dwg