Colt’s Manufacturing, Complete Upper Reciever, Fits AR, 223 Rem/556NATO, 14.5″ Chrome Lined Barrel, 1:7 RH Twist, Magpul Flip-Up Rear Sight, M4 Contour Barrel, Standard Sling Swivel, Bolt Carrier Assembly and Charging Handle, Black Finish, Not Pinned and Welded
- Precise Manufacturing
- Long Term Reliability
- Durable Construction
High quality components and precise manufacturing makes Colt Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on.
C4 MLOK 12in FSP (For Carbine Gas FSB’s)
The MLOK C4 rail system is based off the patented quad rail version. It is a lightweight, rugged, 2-piece free float rail that when installed gives the uppers a continuous 12oâclock rail and MLOK slots for the 3,6, and 9 oâclock positions. The C4 system is the lightest and most rigid rail that clamps to a standard barrel nut on all AR15, M4, and M16 type weapons systems. This design allows the installation of the rail on an upper assembly without removing the front sight post or permanently attached muzzle devices.
Material: 6061 T6
Finish: type 3 hard coat anodized
Weight: 9.8 oz with screws — 1.1oz more with standard barrel nut
Inside diameter: 1.37
Rails: 1913 spec rail
Fasteners: grade 8 bolts with phosphate finish
MADE IN USA
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