SEMIAUTOMATIC PISTOL Russian patent published in 1999 - IPC

FIELD: small arms. SUBSTANCE: semiautomatic pistol comprises a body, slide installed on guides, barrel with lugs controlling its turning and firing pin stop made on it, stops limiting the barrel axial displacement, and counterrecoil mechanism. The slide guides are made in the form of lugs on the outer sides of the walls attached to the body on both sides of the barrel, one of which is located in front of the control lugs on the barrel, and the other- from behind. The end face sides of the walls and the lug end face surfaces facing them have conjugate helical surfaces of the like direction. Made on the end face side of the barrel lug, facing the front wall, is the firing pin stop for engagement with the front end face wall of the empty case ejection opening in the slide when the barrel is in the front position. The rear wall is bent inside perpendicularly to the bore axis for engagement with the breech end face in the rear position of the barrel. EFFECT: improved close grouping of shots. 3 dwg