Our AR-15 buffer tubes are in house manufactured and finished with hard anodize for lasting performance. - Features include: - Billet machined from 6061-T651 aluminum for tighter concentricity than a forging or impact extrusion to reduce potential for bolt carrier binding. - 8 position adjustment with machined indicators visible through any stock with a viewing port located at the stock latch pin. Extended positions increment adjustments have a finer spaced length of pull. - Mil Spec extension diameter of 1.148 and thread diameter of 1.185 - Carbine length - Extended carrier support flange that supports the carrier for better anti-tilt performance. - Self aligns with the buffer detent. - Chamfered edges on the stock guide ramps for better feel - Vented - Weight 3.45 oz
Determined at checkout.