Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3 is five-position adjustable, dramatically enhances versatility, and features a minimalist design with an integral, ambidextrous QD sling socket. It includes a 1” adjustable nylon strap and all platforms capable of accepting a mil-spec carbine extension. Weight: 6.75 oz. It is ATF compliant, U.S. Veteran designed and proudly made in the USA.