Fight Mcr Df Upperr 556 Mlok 12.5

FightLites groundbreaking MCR (Mission Configurable Rifle) belt-fed upper receiver assembly is designed to interchange with standard AR/M4 type uppers and readily fits any MIL-Spec lower receiver without permanent modification to the host lower, and is rearward compatible to AR15/M16 models produced as early as 1963.

Features :

• Drop-On Upper Receiver Assembly
• Short-Stroke Gas Piston Operation
• Dual-Feed-Accepts All AR15/M16 Magazines & M27 Linked Ammunition
• Precision Machined 7075-T6 Billet Upper Receiver
• Full-Auto Bolt Carrier
• MIL-STD 1913 Rail at 12 oclock M-Lok at 3, 6 & 9
• Ships with Main Action Spring, Bolt Catch, Carbine Stock Spacer, (100) M27 Links & Operators Manual