BCM BCMGunfighter Mod 0 is a black synthetic buttstock for AR-platform rifles with a snag-free design and no sharp edges to prevent sling/MOLLE gear tangling. Features a modular VBOST (Vehicle Borne Operations Sling Tab) for securing the sling against the stock, two ambidextrous sling mounting options including QD swivel sockets, and a modular 5-part, 1-screw design for future configuration options. Receiver extension tube not included. Safety note Follow all manufacturer installation instructions. Verify proper function and secure mounting before use. Comply with local firearm laws and regulations.