SB Tactical SBA4 AR-15 Pistol Brace Black with Mil-Spec Carbine Buffer Tube Kit

SB Tactical SBA4 AR-15 Pistol Brace Black with Mil-Spec Carbine Buffer Tube Kit. Designed for AR-15 pistols using a mil-spec carbine receiver extension with 5-position adjustability and an integral ambidextrous QD sling socket. This kit includes the SBA4 pistol brace, a mil-spec carbine buffer tube/receiver extension, and an adjustable nylon strap. Compatible with any mil-spec carbine receiver extension.