UPPER RECEIVER: MTR Defense Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
BARREL: OWO 556/223 16" Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, Government Profile, Mid-length...