Buffer Tube Kit | Parts | Carbine | 5.56/.300/6.5 | Black

The AR-15 Mil-Spec Buffer Tube Kit includes everything you need to complete your stock assembly: a black anodized buffer tube, recoil spring, buffer, castle nut, and end plate. Built to military specifications for reliable fit and function, this AR15 buffer tube kit ensures smooth cycling and long-lasting durability whether you’re building a new rifle or upgrading an existing setup. With precision machining and quality construction, this buffer tube kit delivers the stability and performance shooters demand for AR-15 platforms, making it an essential component for any build.