Yankee Hill Machine .223 Rem/5.56 Flat Top Stripped Upper Receiver, Hardcoat Anodized Matte Black - 110

YHM has long been a manufacturer of quality AR-15 Upper Receivers and is very proud to offer our A3 Upper Receivers under our own label.Features:These uppers were designed, and are machined 100% in houseMade from 7075 T6 aluminum (forged)M4 Style feed ramps and T-markingsInside coated with dry film lubeAccepts standard upper receiver parts (dust covers, forward assists)Accepts Mil-Spec lower receiversFit and function with your standard lower receiverHardcoat anodized matte black to military specifications or better