FIELD: pneumatic weapon, applicable in sporting weapon for paintball, trainings. SUBSTANCE: pneumatic marker has an automatic breechblock, gas feed valve, operating chamber providing for accumulation of a gas charge required for a shot. It is provided with a reduction cylinder with a calibrated hole. The breechblock has a piston with a firing spring, spring-loaded stop valve, rammer with a through duct, the stop valve is rigidly coupled to the rammer forming a single member for movement relative to the breechblock piston and locking the gas flow to the central channel of the stop valve by the stop valve plate and the rammer through duct conjugated with it and to the barrel bore. EFFECT: simplified construction of the weapon, enhanced reliability of the mechanisms and efficiency of use. 18 dwg
