Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SB Tactical SBA3 is 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an integral, ambidextrous QD sling socket. The SBA3 is compatible with any mil-spec carbine receiver extension. FeaturesMinimalist design5-position adjustableIntegral, ambidextrous QD sling socketUS veteran designedIncludes: Brace, Buffer tube, Adjustable nylon strap