FightLite MCR DUALFEED AR15 Upper Assembly Black 5.56 NATO 12.5” QuickChange Barrel Accepts AR15 Magazines & M27 Linked Ammunition 1913 Picatinny RailInterface System

Once installed, the patented MCR upper receiver system can be user-configured in seconds without tools to adapt to virtually any mission profile. Specifically designed for responsible armed citizens, law enforcement and professional security personnel who wish to upgrade their rifle or carbine to MCR performance and capability; standard features include gas-piston operation for extreme reliability in adverse conditions; a 12.5" barrel system and a MIL-STD 1913 co-planar hand-guard with rail-interface system for the mounting of optics and modern accessories. Spanning the capability range from the optic ready carbine through a lightweight support rifle; the MCR accepts standard box type AR15/M16 magazines or M27 linked ammunition at operator discretion, permitting unprecedented firepower and weapon flexibility.

KEY FEATURES

• Drop-On Upper Receiver Assembly that upgrades your AR15/M16/M4 type lower receivers or rifles
• 5.56 x 45mm NATO
• 12.5” Barrel
• 1:7” RHT, ½”-28 TPI 
• Short-Stroke Gas Piston Operation
• Dual-Feed™ - Accepts ALL AR15/M16 Magazines & M27 Linked Ammunition
• Precision Machined 7075-T6 Billet Upper Receiver, Feed Cover and Charging Handle
• Precision Machined Billet Steel Feed Tray 
• Finish – Manganese Phosphate & Type III, Class 2 Hardcoat anodize - Black
• Full-Auto Bolt Carrier
• Handguard Style – MIL-STD 1913 Rail 
• Adjustable Sight Set