Fightlite MCR Dual-Feed Upper 5.56 NATO 16.25in

The Fightlite Industries MCR Dual-Feed upper is a MIL‑Spec, drop‑on upper receiver assembly designed to fit standard AR‑15/M16 lower receivers without permanent modification. It features a 16.25‑inch quick‑change barrel and short‑stroke gas piston operation for reliable performance in varied conditions. The M‑LOK co‑planar handguard provides modern accessory mounting options while the system accepts both standard AR15/M16 magazines and M27 linked ammunition.

Key Specifications

• The cartridge is .223 Rem / 5.56 NATO.
• The barrel measures 16.25 inches and is a quick‑change design.
• The rifling twist rate is 1:7.
• The muzzle is threaded 1/2-28.
• The action uses a short‑stroke gas piston system.
• The feed system is Dual‑Feed — accepts AR15/M16 magazines & M27 linked ammunition.
• The handguard style is M‑LOK co‑planar.
• The upper and feed components are precision machined from 7075‑T6 billet aluminum.
• The finish is manganese phosphate with Type III Class 2 hardcoat anodize (black).
• This assembly ships with RipBrake muzzle compensator, (100) M27 links, mag adapter, belt‑feed main action spring, MIL‑Spec H3 buffer and related accessories.

Built to convert a MIL‑Spec lower into a mission‑configurable carbine or lightweight support rifle, the MCR Dual‑Feed upper blends proven materials and modular features for users who value adaptability and rugged reliability. Its quick‑change barrel and dual‑feed capability make it a flexible platform for owners seeking a durable, ready‑to‑configure upper assembly for a wide range of responsible shooting applications.