The Builder Series AR-15 Buffer Tube is manufactured in-house and finished with hard anodizing for lasting performance. It is billet machined from 6061-T651 aluminum for tighter concentricity than a forging or impact extrusion to reduce potential for bolt carrier binding.
2A Armament Builder Series, Buffer Tube, AR15, 5-Position Billet Buffer Tube, Anodized Black Finish 2A-BSBT-1
