Brand new Colt LE6721 M4 marked upper. Complete w/ A3 handle, b/c/ch and Colt double M4 handguards instead of the regular carbine handguards. Barrel is marked C MP 5.56 NATO 1/9 HBAR. Everything is factory Colt with the proper markings. (Sold)
All emails have been answered. Money was the first to offer to buy the whole upper.