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. This model has a black finish.