Apr 5, 2019; Add bookmark #5 Primus, Thanks for that reply. I'm kind of a Colt guy for my 1911's and whatnot, but I live in Columbia, SC where FN Manufacturing is located, and it's nice to buy a gun manufactured in your hometown IMO, and obviously FN's reputation speaks for itself. Add To Compare . Add To Compare . The FN M4 is a dead ringer for a true M4 Carbine at first glance. If you want a true clone upper, go colt or scour for a fn surplus upper on the grey market. Nov 22, 2018 183 29. The Upper Assembly is made in the M4 style with a carbine-length gas system and an A2 front sight post. Colt M4 Upper Receiver TWIN PACK - CAGE Code marked (stamped) $399.98. 308 AR Upper Receiver for Mk11 and M110 ... FN. Out of Stock. Report. Palmetto State Armory offers a great selection of AR-15 barreled upper assemblies. The mil spec rail on top of the upper receiver is identical. C. Count VonFuhrman Sergeant of the Hide. Colt. Colt M4 Upper Receiver - … $629.00 . There is some M16A4 FN uppers on Gunbroker. I have a unanodized Aero flat top stripped upper receiver. Shop our vast selection and save! Reply. Potomac Armory. Brownells is your source for FN at Brownells parts and accessories. Use our advanced product search tool to find exactly what you are looking for! Minuteman. The FN 15 Military Collector M4 shares all of the military M4’s characteristics, which are centered on compactness and ease of handling, in a … FNH FN SCAR 17S Viper Western Camo 7.62 NATO 16.25" 38-100840 GI#: 101596732 This firearm is factory new in box, direct from the manufacturer or a distributor. MSRP: $209.00 $132.99. PX Member. Out of Stock. FN America 5.56 Complete Upper - Fixed Front Sight - 11.5" View Details. FN’s M4. The upper receiver, bolt and bolt carrier are one-for-one interchangeable. The Marines followed suit in late 2015, with a decision to phase in the M4 in favor of their M16A4s. FN America 5.56 Complete Upper Receiver - Fixed Front Sight - 10.5" View Details. I'm no AR expert but I've shot a couple, and I would like to pick a M4 style AR up at some point. Sons of Liberty Gun Works M4-EXO2 300 Blackout Barreled Upper Receiver - 9" View Details. FN15 Upper Receiver Assemblies are meticulously built in FN's Columbia South Carolina manufacturing facility alongside US Military contract M4 rifles. FN forged military upper receiver "F" mrk (with hardware) - BLEM. Out of Stock. Can someone please post a FN M4A1 Forged mark? Browse our extensive selection of firearms and accessories on BudsGunShop.com. I think F next to Forged mark and a smaller M4 above the gas tube hole like Colt M4 Upper receiver? I want to replace my FN Military series M4A1 upper receiver with a Correct Military markings F next to the Forged mark. $539.99 . Whether you are a gun enthusiast or a beginner, we have plenty of options from different barrel lengths, calibers, gas systems, handguards, & rails to choose from to help you complete a custom build or upgrade. The Knight’s Armament M4 RAS adapter rail system looks like someone shrunk an exact copy to fit the 4-inch-shorter barrel.