Centurion Arms C4 rails were chosen as one of our favorite new items for SHOT, and they now have a new addition to their rail family. The newest rail is the Mid-Length Cutout Rail and is designed for barrels that use a fixed Front Sight Base (FSB) and a mid-length gas system. The Mid-Length Cutout Rail extends past the FSB and allows for additional mounting space on the side and lower rails. This is an immediate benefit to guys who are using lights, as the farther out the light gets, the less shadowing we see off the barrel.
Installation of this two-piece, free-floating rail remains the same as it does with the other Centurion Arms C4 rails and is as straightforward as removing the delta ring to expose the barrel nut then removing or cutting off the hand-guard cap.
Hit the jump for the specs from Centurion Arms and lots more pictures.
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Centurion Arms specs taken from their website.
Our patent pending C4 rail system is a lightweight, rugged, 2 piece free float rail that when installed gives the uppers a continuous 12o'clock rail. 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. Our 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 hardcoat anodized
- Length: Top 9 1/4in, Sides 11 1/2in, Bottom 10 5/8in
- Width: 2.1
- Height: 2.38
- Inside diameter: 1.37
- Rails: 1913 spec rail with proper T-marks
- Fasteners: grade 8 bolts with phosphate finish
- Made in USA
For additional information on the Centurion Arms C4 rails, you can take a look at the previous articles on Gear Scout.
http://blogs.militarytimes.com/gearscout/2010/10/03/centurion-arms-c4-rail/
http://blogs.militarytimes.com/gearscout/2011/01/19/centurion-arms-c4-rail-2/
