Patent ID: 8850736

Claim:
A stock mounting device for mounting a stock on a receiver for a small arm, the device comprising: a clamping pin and a clamping cam that cooperates with the clamping pin, the clamping cam comprising a central through-hole for passage of a tensioning head of the clamping pin, the clamping cam further comprising at least one lateral slot for accommodating a slimmer area of the clamping pin; and a locking device configured for preventing an undesired turning of the clamping cam arranged on the clamping cam, the locking device including an axially movable actuating element, positively connected to the clamping cam, the actuating element movable between a locking position and an actuation position and can be rotated only in the actuation position, the actuating element having a head constructed as a hexagon and a slimmer shank located underneath the head, the shank passable through an opening constructed as a slotted hole of a baseplate in such a manner that the head is held secured against rotation in the locking position inside the opening, and in the actuating position, the shank moveable into the area of the opening in order to rotate the actuation element.