SUBMACHINE GUN Russian patent published in 1997 - IPC

FIELD: portable automatic small arms. SUBSTANCE: proposed submachine gun has extension 1 with barrel 3, trigger mechanism 2, breech block 4, return-and-firing spring 5, neck 6 with magazine 7, grip 9 and butt-stock 10. Breech bolt is immobile in housing 8. Barrel 3 is joined to neck 6 by means of flexible coupling in the form of clamp 55. Barrel 3 is mounted for reciprocating motion along guides of extension 1. Neck 6 with magazine 7 is mounted for turning about horizontal axis 51. Return mechanism 5 is made in the form of torsion spring 48 installed on horizontal axis 47 in body of grip 9 having two bends 49, one interacting with internal surface 50 of grip 9 and second one - with body of neck 6 of magazine 7. EFFECT: improved functional reliability and efficiency, simplified design. 2 cl, 7 dwg