GC_UPC ATI ATIG15MS556ML7 Mil-Sport 5.56x45mm NATO 7.50" 30+1 Black Polymer 7" MLOK $431.79 ATIG15MS556ML7 show more like this 17.99 Defense Depot GC_UPC ATI ATIG15MS556ML7 Mil-Sport 5.56x45mm NATO 7.50" 30+1 Black Polymer 7" MLOK MAP ATIG15MS556ML7 show more like this Calculated in Cart DACK Outdoors GC_UPC ATI ATIG15MS556ML7 Mil-Sport 5.56x45mm NATO 7.50in Barrel 30+1, Black Aluminum Receiver, 7in MLOK Forend, Polymer Grip $468.65 ATIG15MS556ML7 show more like this Flat Rate Starting at $11.99 Hinterland Outfitters GC_UPC ATI ATIG15MS556ML7 Mil-Sport 5.56x45mm NATO 7.50" 30+1 Black Polymer 7" MLOK $519.00 ATIG15MS556ML7 show more like this Calculated in cart GunZoneDeals GC_UPC ATI ATIG15MS556ML7 Mil-Sport 5.56x45mm NATO 7.50" 30+1 Black Polymer 7" MLOK $545.99 ATIG15MS556ML7 show more like this Cape Gun Works