The BCMGunfighter Stock kit has a strong light-weight polymer stock for a mil-spec receiver extension. It features a snag free design, a modular VBOST (Vehicle Borne Operations Sling Tab), two different types of ambidextrous sling mounting options, including QD swivel sockets, a BCM 7075T6 Mil-Spec receiver extension, locking M4 nut, Mil-Spec carbine action spring, carbine buffer, and a BCM QD swivel mount end plate.