Could this have the odor of Copperas Cove???? I will agree with the others you got ripped off!

Please post his name it can spread quickly on the various boards and will save others from him.
I would try his local Police Dept and file a fraud claim. Also notify the BATFE in case he altered the serial number. In any matter it could trigger a nice audit of him books if he is a FFL or C&R. This pic to me says that it has been refinished poorly. No sharp edges on the radius of the receiver ring.