Heckler & Koch Model USC, .45 cal. semi-auto carbine. Serial #47-005524, mfg. Germany.  Excellent condition. Nice handy little carbine with 16” barrel. Excellent bore.  Grey synthetic furniture is excellent. Adjustable combat sights with top scope rail. Matte finish is 98% and nice.  Thumbhole stock.  Three railed forearm. Includes two Pro Mag magazines. A civilian version of the H&K UMP. Very cool and not seen very often these days.