Fightlite MCR Dual-Feed Upper — 5.56 NATO, 16.25″

The Fightlite Industries MCR Dual-Feed upper is a drop-on MIL-Spec upper receiver assembly designed to fit standard AR-15/M4 type lowers without permanent modification. It is configured for dual-feed operation and accepts both standard AR-15/M16 box magazines and M27 linked ammunition. The assembly features a 16.25" quick-change barrel, short-stroke gas piston operation and a MIL-STD 1913 co-planar handguard for mounting optics and accessories.

Key Specifications

• The caliber is .223 REM/5.56 NATO.
• The barrel length is 16.25".
• The handguard style is a MIL-STD 1913 Rail.
• The rate of twist is 1:7.
• The muzzle thread is 1/2-28.
• The operating system is short-stroke gas piston.
• The upper accepts standard AR-15/M16 magazines and M27 linked ammunition.
• The upper and related components are finished with Anodized / Type III hardcoat options as provided.
• The barrel material is Steel.
• The fitment is AR-15.

Purpose-built to expand the capability of a standard AR-15/M4 lower, the MCR Dual-Feed upper provides rapid configuration changes, a quick-change barrel system and dual-feed flexibility for a range of operational roles from carbine to lightweight support configurations. Its MIL-STD rail interface and included accessories make it suitable for users who require modularity and compatibility in a rugged, service-oriented upper assembly.