GC_UPC BATTLE ARMS AR15 LIGHTWEIGHT UPPER RECEIVER BILLET BLACK MAP BAD556-LW-UR show more like this Calculated in Cart DACK Outdoors GC_UPC BATTLE ARMS AR15 LIGHTWEIGHT UPPER RECEIVER BILLET BLACK MAP - show more like this Huligan Arms GC_UPC Battle Arms Development BAD BILLET LW UPPER RECEIVER BLK MAP 100-016-156 show more like this Additional, Calculated in cart BFG Outfitters