FightLite MCR Military Dual-Feed Upper 5.56 NATO 12.5" Picatinny

FightLite (MCR) Mission Configurable Rifle, Milspec Complete Upper Receiver, 5.56 NATO, 12.5 Threaded Barrel, Dual Feed, Picatinny Rail, Dry Film Lubrication, Fits AR-15 Lower Receiver, Anodized Finish, Black, Includes (100)-M27 Links MCR-556-DFRS The groundbreaking MCR (Mission Configurable Rifle) belt-fed upper receiver assembly is designed to interchange with standard AR/M4 type uppers and readily fits any MIL-Spec lower receiver without permanent modification to the host lower, and is rearward compatible to AR15/M16 models produced as early as 1963. The MIL-Spec MCR 5.56 DFR takes their standard MCR technology to a whole new level and includes all of the accessory items that are included in their standard MCR government product along with Dry Film Lubrication on critical high-friction surfaces for extra performance in extreme conditions. Includes Belt-Feed Main Action Spring, MIL-Spec H3 Buffer, Carbine Stock Spacer, Extended Bolt Catch, Mag Adapter, RIP Brake Muzzle Compensator, and (100) M27 Links.