All the markings look correct, however the C on the upper looks off to me. We want to ensure that making a return is as easy and hassle-free as possible! heckler & koch (in stock) 0.0. brn-10® upper receiver. Started life as Colt AR6520 upper with pencil weight barrel. Enjoy our FREE RETURNS. fn rec/ c marked socom barrel w/ p&s m4 ras rail 675.00 shipped surplus upper/w/ new parts limited stck COLT 14.5 Govt Profile BARREL NIB 310.00 Shipped. My friend at work is wanting to sell me his Colt LE6920 for a pretty good price, it's unfired, new in box. Colt aficionados, is this reflective at all of lesser quality compared to … Upper receiver forge markings: Offset Square is: Brass Aluminum Forging LMT is: No Forge Marks, but marked LMT or L is: LMT AF is: Alcoa Forge C AF is: Colt Alco Forge A (splintered) = Anchor Harvey Aluminum C MB is: Colt / Mueller Brass Cardinal’s head (stylized bird head) is: Cardinal Forge CH is: Colt Harvey Aluminum Buy Colt C marked Upper A2 SMG 9mm AR Complete Upper F- Marked A2 Clone 11.5": GunBroker is the largest seller of AR15 Parts Gun Parts All: 887175280 This Colt “C” marked Cerro / Keyhole forge M4 marked upper receiver is one of the most desirable uppers due to its use by the United States Military across all branches and for its use by collectors in Military clone builds. Pic Coming Soon. Not all colts have the key hole (cerro forge). This new build features a Colt cage-code marked M4 upper receiver, a Colt “C” marked bolt carrier group and a 13” Geissele MK14 M-LOK free-float hand-guard. email order to: SHARKARMORY556@GMAIL.COM Recently, I assembled another upper receiver group based on the Colt M4A1 SOCOM barrel. Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.. colt (in stock) 0.0. Conditions are good. Rail is the Geissele 15”. heckler & koch (in stock) 0.0. hk416 upper receiver with bushing. I think on mine it's behind the forge mark, not in front of it. We received a very large batch sometime ago of non marked C from Colt so we got a bright idea to sell them at a huge discount, so this is still for the carrier only but these are new we only nicknamed them blems same COLT quality as the rest with no C. S.A.C PRICE 50.00 LIMITED QUANTITY, OUT OF STOCK. As for the carry handle, it has the correct markings for one that would be found on a Colt. colt (in stock) - 4.5 (22) m4 upper receiver assembly no handguards. This surplus stripped upper has the rare proof marks toward the front of the receiver for Colt collectors out there. Includes bolt carrier group assembly and charging handle. 416 upper receiver stripped. Colt Full Auto Profile Carrier Only. Selling a colt upper. Colt AR15A2 Complete Upper Receiver Assembly - USED Description: Original Colt AR15A2 complete upper receiver assemblies with fixed carry handle and 16" barrel. Upper is a new colt M4 upper. The gas block is a shaved down fsp as the Geissele block did not fit the barrel profile. FREE SHIPPING on Over 250,000 Products. Colt marked C MP 1:7 5.56 barrel and Colt marked bcg. AAC brakeout. Perfect for retro builds! All police trade-ins are fully functional but aesthetic conditions vary. 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