FIELD: firearm, applicable in production of weapon. SUBSTANCE: the small-arms locking mechanism has a frame, barrel, the breechblock has a trigger with a spring trigger plunger, sear with a spring, hammer, cock, locking roller, disconnector. The novelty is in the fact that the locking roller mounted for engagement with the breechblock and plunger when the trigger is pushed serves as the disconnector, the plunger acts on the sear by means of a double-arm lever, the end surface of the trigger plunger and the respective surface of the double-arm lever form an obtuse angle. The double-arm lever is also engageable with the hammer by its upper part. EFFECT: reduced kick and force of drawing off of the breechblock by hand, enhanced reliability and safety of the weapon. 2 cl, 1 dwg
