Guntec MILSPEC AR15 Buffer Tube Kit with Spring

Upgrade your AR-15 with the Guntec MILSPEC AR15 Buffer Tube Kit. This complete kit includes a mil-spec aluminum buffer tube, 6-position receiver extension, end plate, castle nut, 3 oz carbine buffer, and chrome spring. Built for durability and performance, it ensures reliable operation. Enhance your firearm with a quality buffer tube kit made in the USA.