FightLite MCR Dual-Feed AR-15 Upper — 5.56 NATO, 16.25″

The FightLite MCR (Mission Configurable Rifle) Dual-Feed upper is a drop-in MIL-Spec upper receiver assembly designed to work with standard AR-15/M16 lowers without permanent modification. It provides a 16.25-inch quick-change barrel, short-stroke gas piston operation, Dry Film Lubrication on critical surfaces, and ships with feed and accessory items for belt-feed or magazine feeding. The MCR upper is built for modularity and flexibility across carbine and light support roles.

Key Specifications

• The caliber is .223 Rem / 5.56 NATO.
• The barrel length is 16.25 inches with a quick-change system.
• The rate of twist is 1:7.
• The muzzle thread is 1/2-28.
• The handguard style is M-LOK.
• The finish is Manganese Phosphate & Type III Class 2 Hardcoat Anodize (Black).
• The feed system is Dual-Feed — accepts AR-15/M16 magazines and M27 linked ammunition.
• The barrel contour is specified as Heavy.
• The barrel type is Threaded.
• Designed to fit MIL-Spec AR-15/M16 lower receivers.

Configured for operators who value adaptability and reliability, this upper combines a quick-change barrel, gas-piston operation, and dual-feed capability into a single MIL-Spec drop-in assembly. It ships with a comprehensive accessory set that supports both belted and magazine feeding, and the durable finish and Dry Film Lubrication are intended to improve performance in demanding environments. The MCR Dual-Feed upper provides a practical, mission-oriented solution for users seeking a versatile AR-15 compatible upper assembly.