F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
F41A5/00—Mechanisms or systems operated by propellant charge energy for automatically opening the lock
F41A5/02—Mechanisms or systems operated by propellant charge energy for automatically opening the lock recoil-operated
F41A5/08—Mechanisms or systems operated by propellant charge energy for automatically opening the lock recoil-operated having an accelerator lever acting on the breech-block or bolt during the opening movement