Welcome, Visitor
shopping-bag Shopping Bag (0)
Items : 0
Subtotal : $0.00
View Cart Check Out

Centurion Arms C4 Rail Carbine Length Cutout Rail Handguard

Centurion Arms C4 Rail Carbine Length Cutout Rail Handguard


Out of stock




The Centurion 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. 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: 10.5oz with screws—1.1oz more with standard barrel nut

• Length: Top 7.25 in Sides 9.5 in Bottom 8 in

• Height: 2.38

• Inside diameter: 1.37

• Rails: 1913 spec rail

• Fasteners: grade 8 bolts with phosphate finish



Got something to discuss?

Trent Smith
4 years 3 months ago

Is this rail one the the older ones with the t-marks or one of the newer one withou?

4 years 3 months ago

Hi Trent,

I’m not sure as we don’t normally stock these rails, they are ordered as needed for builds from our supplier. I would say that they are usually newer stock.