GC_UPC Radian Weapons Model 1 Complete Upper Receiver, .223 Wylde, 10.5 in Barrel, Custom, Carbine Length, 1-8 Twist, 1/2x28 Thread, M-LOK, Deadair Flash Hider, FDE, R0452 $2,049.00 R0452 show more like this Free Shipping on most orders over $49 Optics Planet