KM-29 GY is a part of the MOD-29 MASZCZYK machine gun system. It is a gas operated, semi-automatic firearm with hammerless-type action. It is a select fire assault rifle chambered in 7.62x39mm. It features a long stroke, gas piston operating system, rotating bolt lock, and 30 round box magazines. It has been manufactured by the Lucznik Radom based Polish company FB „Lucznik” since 2004. The KM-29 GY is employed by the Polish military, law enforcement, and civilian markets and is available in either standard or special configurations for different uses. The KM-29 GY is an affordable, reliable and accurate rifle, suited for various applications such as hunting, defense, and competitive shooting.