FTLT MCR Dual Feed Upper M-LOK – 5.56 NATO

Description

The FTLT Mission Configurable Rifle (MCR) Dual Feed upper is a drop-on, belt-capable upper receiver assembly engineered to interchange with standard AR/M4 type uppers and fit MIL‑Spec lower receivers without permanent modification. Designed to accept standard box-type AR-15/M16 magazines or M27 linked ammunition at the operator’s discretion, the MCR provides a versatile upgrade path for informed shooters seeking increased capability from a compatible AR platform. The assembly uses short-stroke gas-piston operation and is finished for corrosion resistance and durable service.

Key Specifications

• Fits AR-15/M4 MIL‑Spec lower receivers without permanent modification.
• Caliber designated as .223 Rem / 5.56 NATO per manufacturer data.
• Finish is Manganese phosphate with Type III Class 2 hardcoat anodize in black.
• The barrel is threaded for standard muzzle device compatibility.
• Operating system is a short-stroke gas piston for reliable function in adverse conditions.
• Feed system is dual-feed, accepting AR-15/M16 magazines or M27 linked ammunition.
• Upper receiver is precision machined from 7075-T6 billet aluminum.
• Handguard features a MIL-STD 1913 co-planar rail at 12 o’clock with M-LOK slots at 3, 6 & 9.
• Includes adjustable sights and ships with a main action spring, bolt catch, carbine stock spacer, (100) M27 links, and an operator’s manual.
• Model designation is the Mission Configurable Rifle (MCR) Dual Feed upper.

The FTLT MCR Dual Feed upper is built to expand the capability of compatible AR platforms, offering flexible feed options and a rugged gas-piston design for demanding use. Its billet construction, robust finish, and modular M-LOK handguard make it a practical upgrade for users who value adaptability and proven engineering. Designed and manufactured in the USA, the MCR provides a straightforward way to add dual-feed functionality and modern accessory compatibility to a MIL‑Spec lower.