F Tiger Rock Complete Upper Receiver, AR-15, 5.56 NATO, 7in Pistol Length, 1-8 Twist, w/ 7in Super Slim M-LOK Handguard, Black, Large, UB15-P7-FSSM07 $309.00 UB15P7FSSM07 show more like this Free Shipping on most orders over $49 Optics Planet