| 摘要 |
FIELD: weapons and ammunition.SUBSTANCE: proposed device comprises breech frame and detachable barrel jointed in cylindrical locating surfaces and barrel retainer fitted in said breech frame. Said locating surfaces have crosswise slots, lengthwise at barrel retainer opposite side and radial at barrel retainer mod part.EFFECT: gapless barrel securing in breech frame, higher accuracy of fire.2 dwg |
