Black Rain Ordnance Milled Upper Receiver 223 Rem/5.56 NATO Flat Top Sights Finish Bro-MUR-2
Black Rain Ordnance Milled Upper Receiver, 223 Rem/556Nato, Flat Top Sights, Black Finish Bro-MUR-2Black Rain Ordnance Billet Gen II Upper Receiver Black Rain Ordnance Gen II stripped upper receive...