Ready to run the moment it hits your bench. This complete AR15 lower comes fully assembled, function-tested, and built on a forged 7075-T6 hardcoat anodized receiver. It features a Mil-Spec buffer tube setup, standard M4 adjustable stock, crisp single-stage trigger, A2 grip, and all small parts installed. Drop it onto any Mil-Spec upper and you re ready to roll. Firearm Specifications Caliber: Multi Buffer Tube: Mil-Spec Grip: A2 Stock: One Horse M4 6 Position Manufacturer: One Horse Country of Origin: U.S.A