FightLite MCR-556-DFRS MCR Dual-Feed Upper Receiver Assembly Compact 12.5" Quick-Change Barrel

The FightLite MCR Dual-Feed Upper Compact is a premium 5.56 NATO upper receiver assembly designed for compatible MIL-Spec AR15/M16/M4 type lower receivers. Built with a compact 12.5" quick-change barrel, short-stroke gas piston operation, and FightLite’s Dual-Feed system, this upper is engineered to accept standard AR15/M16 magazines or M27 linked ammunition.

The MCR-556-DFRS features a precision-machined 7075-T6 billet upper receiver, feed cover, and charging handle, along with a billet steel feed tray for strength and durability. Its MIL-STD 1913 Picatinny handguard provides a full rail interface for optics and accessories, while dry film lubricant on critical high-friction surfaces supports reliable performance in demanding conditions.

This listing is for the upper receiver assembly only. Lower receiver, firearm, magazines, ammunition, optics, and accessories are sold separately unless otherwise stated. Buyer is responsible for all federal, state, and local laws, including NFA/SBR rules related to 12.5" barrel configurations.

Features:

• FightLite MCR Dual-Feed Upper Compact
• 5.56x45mm NATO chambering
• 12.5" quick-change barrel
• 1:7" right-hand twist
• 1/2x28 threaded muzzle
• Short-stroke gas piston operation
• Dual-Feed system accepts AR15/M16 magazines and M27 linked ammunition
• Precision-machined 7075-T6 billet upper receiver
• Precision-machined billet feed cover and charging handle
• Precision-machined billet steel feed tray
• Dry film lubricant applied to critical high-friction surfaces
• Manganese phosphate and Type III Class 2 hardcoat anodized black finish
• Full-auto bolt carrier
• MIL-STD 1913 Picatinny handguard / rail interface
• Adjustable sight set
• Quick-change barrel handle
• Made in USA
• Upper receiver assembly only

Specifications:

• Brand: FightLite Industries
  
• Product Line: MCR / Mission Configurable Rifle
  
• Model: MCR Dual-Feed Upper Compact
  
• SKU: MCR-556-DFRS
  
• UPC: 850017078017
  
• Caliber: 5.56x45mm NATO
  
• Barrel Length: 12.5"
  
• Barrel Type: Quick-Change
  
• Twist Rate: 1:7" RH
  
• Muzzle Thread: 1/2x28
  
• Operating System: Short-Stroke Gas Piston
  
• Feed System: Dual-Feed
  
• Magazine Compatibility: AR15/M16 Magazines
  
• Linked Ammunition Compatibility: M27 Linked Ammunition
  
• Receiver Material: 7075-T6 Billet Aluminum
  
• Feed Tray Material: Billet Steel
  
• Handguard: MIL-STD 1913 Picatinny Rail
  
• Finish: Black Hardcoat Anodized / Manganese Phosphate
  
• Bolt Carrier: Full-Auto Bolt Carrier
  
• Condition: New
  
• Product Type: Complete Upper Receiver Assembly
  
• Included: Upper Assembly, Belt-Feed Main Action Spring, MIL-Spec H3 Buffer, Carbine Stock Spacer,
• Extended Bolt Catch, Magazine Adapter, RIP Brake Muzzle Compensator, 100 M27 Links, Operator’s
• Manual
  
• Compliance Note: 12.5" barrel configuration; buyer must comply with all applicable NFA, federal, state, and local laws

WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. You must be 18+ years old to shop and or purchase on our website and 21+ to purchase Ammunition/Firearms. Check local laws before ordering as you certify you are of legal age and satisfy all federal, state, and local legal/regulatory requirements. There are NO returns or exchanges on armor, firearms, ammunition, PPE equipment. Ammo ships UPS ground to the lower 48 states.
We reserve the right to fix any critical errors.