This is a NEW Colt M4 upper receiver with 14.5" barrel, 1/7 twist and all Colt markings. Upper receiver is "C" marked and has "T" numbering on top rail and M4 above gas tube hole. The upper comes with a New Colt Full-Auto bolt carrier group, "C" and "MPC" marked. Also a New Knights Armament RAS MRE model B rail system and New and just released Knights Armament 300 meter micro back up iron sight. All items are new and the price is $1100 shipped OR MAKE AN OFFER. Pictures are available upon request.
Discreet Paypal and Money Order for payment. ***SOLD***