GC_UPC Alexander Arms Tactical Upper Receiver, AR-15, 6.5mm Grendel, 18 inch Barrel, 1-8 Twist, 5/8x24 Thread, A2 Flash Hider, Black Anodized, UTA-65-10RD $1,137.99 UTA65 show more like this Free Shipping on most orders over $49 Optics Planet