Factory new Colt model 6721 Upper receiver. M4 Upper, flattop, RAS markings, M4 stamped, M16 feed ramps, pre ban with bayonet lug and flash suppressor, shell deflector, forward assist, Barrel is a 1 in 9 twist HBAR, marked C MP 5.56 NATO 1/9 HBAR. Chrome lined. NO BOLT, CHARGING HANDLE, OR CARRY HANDLE. $300, shipping at $10.00 Visa & MasterCard accepted.
Class 3 Dist. & Police Supply, Inc.
161 Goldsby Rd.
Santa Rosa Bch., FL 32459