Patent ID: 8347777

Claim:
A firearm, comprising barrel and breech block, firing mechanism, gun carriage with antirecoil mechanism, guides for flanges of said breech block, wherein said firearm includes: a firing mechanism latch that can keep the barrel and the breech block in the extreme recoil position, the said mechanism allows firing during the barrel counterrecoil movement, utilizing its kinetic energy; flanges that allow locking and unlocking of said breech block during the said barrel recoil and counterrecoil; said gun carriage is equipped with the guides for the flanges of said breech block, that have special areas allowing said barrel to move with locked said breech block during counterrecoil, unlocking said breech block after firing in the beginning of recoil, moving with unlocked said breech block during recoil, locking said breech block in the moment of the extreme recoil; areas allowing said barrel to resume counterrecoil movement after misfire with unlocking of said breech block and to recoil with unlocked said breech block from the extreme counterrecoil position; extractor that can stop the projectile and eject it from said barrel that continues counterrecoil movement; recoil imitator that includes a latch releasing a recoil imitator spring in the extreme counterrecoil position of said barrel, that can move said barrel from the extreme counterrecoil position into the extreme recoil position.