DealThe Ruger AR-556 rifle lower receiver is machined from forged 7075-T6 aluminum and hard coat anodized. Components and hardware are not included. UPC: 736676085064 MFR#: 8506 Caliber: 5.56 NATO/ .223 Finish: Black, Hardcoat Anodized Material: 7075-T6 Aluminum Action: Semi-Automatic from Palmetto State Armory (Product 52316) |