TURN HIM IN TO THE ATF, UNLESS HE HAS AN FFL. IT IS ILLEGAL TO PURCHASE LIKE THAT SELL WITH THE INTENTION OF DOING IT WITHOUT A LICENSE. THE ATF HAS FINED PEOPLE AND THE COURTS HAVE UPHELD IT WITH AS FEW AS 2 SALES. IT'S ONE THING TO BUY FOR YOUR OWN COLLECTION BUT IT'S ANOTHER, VERY ILLEGAL THING TO FLIP WITH OUT A LICENSE.