GC_UPC ATI AR15 MILSPORT RIA ALUM RCVRS 300BLK 16" PHOS 1:8 BBL 13" ML WITH ATI REAR STCK 30RD MAG MAP ATIG15MS300MLTS show more like this Free on Firearms Acute Firearms GC_UPC ATI AR15 MILSPORT RIA ALUM RCVRS 300BLK 16" PHOS 1:8 BBL 13" ML WITH ATI REAR STCK 30RD MAG $534.95 ATIG15MS300MLTS show more like this Free shipping on orders over $300 Skogen’s Gun Supply GC_UPC ATI AR15 MILSPORT RIA ALUM RCVRS 300BLK 16" PHOS 1:8 BBL 13" ML WITH ATI REAR STCK 30RD MAG $534.95 ATIG15MS300MLTS show more like this 19.99 The Armory at LTT