RECOIL-COUNTERRECOIL DEVICE OF FIREARM Russian patent published in 2007 - IPC F41A25/10 F41A21/36 

FIELD: mainly firearm systems.

SUBSTANCE: the recoil-counterrecoil device of a firearm has a body with longitudinal guides carrying the movable part of the weapon for reciprocating motion between the front and rear mechanical stops, as well as having a permanent contact with the body and movable part of the weapon, a unit for return of the weapon movable part to the position of the front mechanical stop fastened an the body. The return unit has return spring perceiving the radial and axial forces. Fastened on the movable part of the weapon are the contact rollers made for rotation about their axes and being in a permanent contact with profiled attachments linked with the springs of the return unit and with the body.

EFFECT: reduced level of dynamic action on the structural members of the firearm and on the carrier of such a weapon at firing, reduced mass and dimensional characteristics of it and enhanced reliability.

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