GUN STOCK Russian patent published in 2013 - IPC F41C23/00 

FIELD: weapons and ammunition.

SUBSTANCE: gun comprises a unified fixture, adapted both for installation of an underbarrel grenade and a knife-bayonet, on the basis of symmetrical bends made as a whole with a metal component of the gun stock guide arranged in the lower longitudinal window of the fore end made as a whole with the polymer upper longitudinal cover of the gun. Bends are equipped with windows and internal stops for installation of fastening elements that are T-shaped in the profile cross section of the fore end inside them, and the elements are identical in size both for the underbarrel grenade and the knife-bayonet. On the muzzle side surface of the fore end there is a hook-shaped fixing element, equipped with a return twist spring, the end part of which in the locking position, passing into the muzzle slot of the metal component of the guide stock, retains in the bends of the latter the already connected underbarrel grenade or knife-bayonet, the blade of which is placed in parallel to the horizontal plane of the gun barrel. The connection of the covering bends with the covered T-shaped fastening elements of the underbarrel grenade or the knife-bayonet is realised in accordance with the circuit of "bottom-up and back pull" to the inner stops of the symmetrical bends.

EFFECT: invention provides for reliability, simplicity and universality of fixation for an underbarrel grenade and a knife-bayonet of a gun carriage.

3 dwg