Sensibly Armed Billet Upper Receiver
CNC Billet Upper Receiver for AR-15 type rifles that are manufactured by Sensibly Armed. All uppers are cut on state of the art Mori-Seiki CNC equipment. Roller Burnished inside to create a smooth surface for the bolt carrier system. 7075 Aluminum with Milspec Type III Hard Anodized Black.
Includes M4 Feedramps!