Mil-Spec 7075-T6 Aluminum Forging Machined To Mil Spec Dimensions” Front Magazine Well Finger Grips” Nib-X Nickel Boron Coated For Durability UPPER RECEIVER: Mil-Spec 7075-T6 Aluminum Forging With M4 Feed Ramps. Nib-X Coated For Lubricity And Durability Made in USA!
WMD Guns Upper/Lower Receiver Set, Semi-automatic, 223 Rem/556NATO, Nib-X Finish NIBXMSF15-3PC
