Aim Sports XDB15PSTOC Buffer Tube - Mil-Spec AR-15/M4 Black Anodized

The Aim Sports XDB15PSTOC is a Mil-Spec 6-position collapsible buffer tube designed for AR-15 and M4 platform builds. Measuring 7.25 inches in length and finished in a rugged black anodized coating, this carbine buffer tube provides the proper housing for your carbine buffer, action spring, and collapsible buttstock assembly. Built to standard Mil-Spec dimensions, it serves as a direct-fit replacement or upgrade component for any standard AR-15 or M4 lower receiver.