LOWER RECEIVER: Mil-Spec 7075-T6 Aluminum Forging Machined to Mil Spec Dimensions, Front Magazine Well Finger Grips, Black Hard Coat Anodized Type 3 UPPER RECEIVER: Mil-Spec 7075-T6 Aluminum Forging with M4 Feed Ramps. Black Coated for Lubricity and Durability, Black Hard Coat Anodized Type 3 Made in USA!
