FightLite MCR Mission Configurable Rifle Upper Receiver, 5.56 NATO, 16.25" - MCR060

This is a complete belt-fed upper receiver assembly designed for AR-15/M4 platforms with MIL-Spec compatibility, featuring a dual-feed system and MIL-STD 1913 Picatinny rail handguard. The 7075-T6 aluminum construction is user-configurable without tools and includes 100 M27 links. Installation requires only compatibility with standard AR-15 lower receivers, with no permanent modifications needed.