The Fightlite Industries MCR (Mission Configurable Rifle) Dual-Feed MIL-SPEC upper is a drop-on assembly designed to upgrade MIL-Spec AR-15/M16 lowers without permanent modification. It supports both standard box-type AR-15/M16 magazines and M27 linked ammunition, and features a 16.25″ quick-change barrel and a full MIL-STD 1913 co-planar handguard for mounting optics and accessories. The upper incorporates short-stroke gas-piston operation and Dry Film Lubrication on critical surfaces to improve reliability in demanding conditions.
Key Specifications
- The caliber is .223 REM/5.56 NATO.
- The barrel length is 16.25″.
- The rate of twist is 1:7″.
- The muzzle thread is 1/2-28.
- The handguard style is a MIL-STD 1913 Rail co-planar system.
- The operation is a short-stroke gas piston system.
- The receiver and selected components are precision machined from 7075-T6 billet aluminum.
- The finish is Manganese Phosphate & Type III, Class 2 Hardcoat anodize in black.
- The feed system is Dual-Feed, accepting standard AR15/M16 magazines and M27 linked ammunition.
- The package includes a RipBrake muzzle compensator and accessory items such as an extended bolt catch and mag adapter.
Built to bring modularity and durable function to a standard AR-15 lower, the MCR Dual-Feed upper blends quick-change barrel capability with a robust feed system and industry-standard rail interfaces. Its configuration supports a range of mission profiles from optic-ready carbine setups to lightweight support roles, offering a practical upgrade path for responsible owners who value modularity, serviceability, and proven construction.
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