Wilson Combat .223 Rem/5.56 Billet Upper Receiver for AR-15 Style Rifle, Mil-Spec Hardcoat Anodized Black - TR-UPPER-BIL

Designed by Bill Wilson and the Wilson Combat design team to be the base for the ultimate precision tactical AR-15 rifle, the Billet-AR upper receiver set is 100% machined in our Berryville, AR facility. The Wilson Combat BILLet-AR receiver was engineered from the ground up to address structural design weaknesses in standard USGI receivers and enhance overall tolerances. The BILLet-AR upper receiver has a precise bolt raceway for smoother chambering, more rigid receiver walls to reduce firing fl