Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3 is 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an integral, ambidextrous QD sling socket.Features: Minimalist design 5-position adjustable Integral, ambidextrous QD sling socket ATF compliant, US veteran designed and proudly made in the USA Product includes: brace, adjustable nylon strap DOES NOT COME WITH BUFFER TUBESpecifications: FIT: All platforms capable of accepting a mil-spec carbine extension CAVITY DEPTH: 6.0 in LENGTH: 6.75 in, 7.5 in, 8.25 in, 9.0 in, 9.5 in STRAP WIDTH: 1 in WEIGHT: 6.75 oz COLOR: Black, FDE WIDTH [MAX]: 1.8 in