1911 80 percent Frame CNC machined from an investment casting of 4140 ordnance grade steel. The operations left to be completed are slide rails, hammer and sear pin holes, and barrel seat. This is a not an FFL item. This is not a complete frame and still requires machining to be done.
100% Heat Treated Steel Frame NOT Spot heat treated, To Exceed U.S. GI Mil-Spec.