Patent ID: 8677664

Claim:
A bolt for locking a stock to a receiver of a firearm having mobile masses including a breech bolt slide, comprising: a tubular element that is closed at first and second ends thereof; a bolt-body cap that closes the first end of the tubular element, the bolt-body cap being screwed to a breech plane of the receiver; and a bolt-stock cap that closes the second end of the tubular element, the bolt-stock cap being tightened to the stock; and a damping mechanism housed at least partly within an interior of the tubular element, the mechanism damping a withdrawal speed of the mobile masses of the firearm, the damping mechanism including a free end that is aligned with a withdrawal trajectory of the breech bolt slide of the mobile masses, the free end not being connected to the mobile masses, and the free end being positioned in the withdrawal trajectory so as to damp stress via contact with the breech bolt slide during a withdrawal movement of the breech bolt slide following a firing of the firearm.