Brownells Military Barrels Ar-15 11.5" A1 Carbine Barrel Assembly

The AR-15 is more than a half-century old, and the rifle and subsequent platforms have undergone a great deal of evolution. Now, aficionados of the system can build reproduction of early rifles with the Brownells A1 Carbine Barrel Assembly. The Brownells A1 Carbine Barrel Assembly is designed to be the ideal component of any XM177 rifle reproduction or any lightweight AR build, coming equipped with most of the materials necessary to complete a retro build. Barrel length: 11.5"" (You are responsible for NFA compliance!) Twist rate: 1-7"" or 1-12"" Carbine-length gas system Threaded with 1/2""-28 TPI threads Chrome Mfg: Brownells Military Barrels