80 percent AR-15 single shot Lower receiver start as 7075-T6 forgings from the lead forge in the US and are fully machined to mil-spec tolerances. The operations left to be completed are as follows/ fire control group, trigger pin, hammer pin, trigger slot and the safety selector hole and bolt catch if necessary. This is a not an FFL item. This is not a complete receiver and still requires machining to be done. NO FFL Required. NOETA yet, however we will keep checking with manufacturer and see if there are any updates weekly.