80% Lower AR-15 Receiver 6061 The operations left to be completed on the 80% Lower Fire control group Trigger pin hole Hammer pin hole Trigger slot Safety selector Occasionally the selector detent hole will not be completely drilled through... A 1/8 inch drill bit through this hole intersecting the selector hole will clean it out... This is a not an FFL item This is not a complete receiver and still requires machining to be done Shipping Restrictions: No shipments to the following States due to their unconstitutional laws. New York New Jersey Colorado Connecticut Washington DC Rhode Island Hawaii California Illinois Maryland Massachusetts Washington