FN15 16" Carbine Upper Assembly. This upper assembly is in the M4 style with a mid-length gas system. The LWM 12" Rail allows for flexible accessory mounting with accessories and rail attachements.
FN15 Upper Receiver Assemblies are meticulously built in FN’s Columbia South Carolina manufacturing facility alongside US Military contract M4 rifles. Each upper receiver is supplied with and M16-style Bolt Carrier Assembly with a charging handle and FN’s venerable cold hammer-forged barrel.