DealAndersons Mil Spec AR15-A3 stripped Upper Receiver. Made of 7075 T6 Aluminum Forging. Features M4 Feed Ramps. Hard Anodized Black. Can be used for Multiple Calibers on the AR15 Platform. FREE same day shipping for all US orders! (by 12:30pm M-F, 11:30am Sat, PST) from Nimrod's Wares (Product AR15-A3-UPFOR-UM) |