Wilson Combat Billet Upper Receiver 5.56 NATO AR-15 Stripped

AR Style Billet Upper Receiver Features The Billet-AR upper receiver set is 100% machined in the USA and was engineered from the ground up to address structural design weaknesses in standard USGI receivers and enhance overall tolerances. It has a precise bolt raceway for smoother chambering more rigid receiver walls to reduce firing flex. The Billet-AR upper receiver is CNC machined from 7075-T6 aerospace aluminum billet stock with a top Picatinny rail M4-style extended feed ramps and smooth side profile without forward assist for maximum accuracy potential. AR Style Billet Upper Receiver Specifications Caliber: 5.56x45mm NATO Model: AR Style Series: Billet Upper Sights: None Optic Ready Receiver Finish: Black Hard Coat Anodized Receiver Material: 7075 T6 Aluminum