Centurion Arms C4 Rail System - 12.0 FSP

**John Hwang** · 4 January 2012, 17:10

Description:

The C4 rail system is a lightweight, rugged, 2 piece free float rail that when installed gives the uppers a continuous top rail. The 12″ Front Post cut out version is made for the carbine gas system.

Features:

• Material: 6061 T6
• Finish: : type 3 hard coat anodized
• Weight: 13.8oz with screws---1.1oz with standard barrel nut
• Length: 12in
• Width: 2.1in
• Height: 2.38
• Inside diameter: 1.37
• Rails: 1913 spec rail with proper T-marks
• Fasteners: grade 8 bolts phosphate finished
• MADE IN USA

Barrel Nut Sold Separately

Retail $350

**Stickman** · 7 January 2012, 11:42

These are nice rails, I've been playing with them for a little while.

**Ryo** · 7 January 2012, 12:04

My friend sells them. I held his example one and it seems solid and light on his rifle.

Edit: Just realized that the one I held was a different version, but made by same company.

**Rodman24** · 7 January 2012, 14:36

Originally Posted by Stickman

These are nice rails, I've been playing with them for a little while.

Can you share any thoughts/opinions on how you think this rail compares to the DD Lite and Omega-X 12" FSB?

**TehLlama** · 7 January 2012, 20:00

I doubt it's going to be any difference other than the profile/shape of the handguard (end-on), and ease of installation advantage for the C4 rails.

I'm just trying to figure out if I need one or two - the price these are at Rainier is tempting me to do the latter.

**Rodman24** · 7 January 2012, 21:55

From posted data I can see some of the differences in weight, width, etc. I guess I'm curious about the more subjective views of what those differences feel like.

**Stickman** · 8 January 2012, 10:11

Originally Posted by Rodman24

Can you share any thoughts/opinions on how you think this rail compares to the DD Lite and Omega-X 12" FSB?

I prefer it over both.

**Wondering Beard** · 8 January 2012, 15:40

Could you elaborate?

**TehLlama** · 11 January 2012, 19:44

I too am curious what differences aside from the front QD and minor details like the small machining steps on the 1913 contours...

**Stickman** · 12 January 2012, 08:40

A few different reasons including ease of installation for guys unused to rebarreling weapons, antirotation tabes, and no need to remove muzzle devices for pinned 14.5 owners. There are more, but those are the immediate ones that jump to mind. Clean machine work, light weight, and QD sockets are niceties as well.

**Stickman** · 12 January 2012, 21:26

Here is one of mine on a RA lower.

**TripleBravo** · 13 January 2012, 00:34

Hey Stick...there appears to be a part missing on your lower, there, Sir.

**John Hwang** · 13 January 2012, 10:35

The DD Lite rail is the most sturdy but requires FSB removal & reinstall which can be difficult for home do it yourselfers. OMEGA X is also a great setup but the Centurion is more stable in the way it attaches to the weapon.
They are all high end rail systems and you can't go wrong with any of them but I personally prefer the Centurion to the others myself as well.

**Stickman** · 13 January 2012, 11:37

Originally Posted by triplebravo

Hey Stick...there appears to be a part missing on your lower, there, Sir.

No way, I'm starting a trend!

**docsherm** · 1 March 2012, 07:05

Stick,

Is that a 12" Barrel? Nice set up.

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