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View Full Version : Opinions Wanted on Carbine FF Rail Upgrade



Jay Cunningham
01-29-08, 10:47
I am planning on doing a small upgrade to my carbine for 2008 and I wanted to get some additional informed opinions before I commit.

It's a Colt 16" M4 upper w/ a LT 7.0 and a TD stubby VFG. I plan on having Grant swap for a 12" open FSB CAR FF rail. I figured this would let me shitcan the VFG and let me get my hand out on the front of the gun. It would also keep my fixed front sight and let me eventually mount an X300 at the 12:00.

The question is, which one?

Troy 12" MRF-CX Extended Model
KAC RAS MRE Model "A" (Long)
DD 12.0 FSP Free Float Rail System
DD AR15 Lite RailTM 12.0

This carbine has run very well for me and I have been pleased with it to date. I know there are more optimal configs (mid-lengths, etc.) but I am thinking that "perfect" may be the enemy of "good enough" here.

markm
01-29-08, 11:18
Just leave it your KISS carbine! :D

Jay Cunningham
01-29-08, 11:31
Just leave it your KISS carbine! :D

You know, I used to hate you over on TOS. Now that you're over here, I think I understand...

;)

markm
01-29-08, 11:34
You understand why you hate me or understand why TOS could turn me into an ASS?

Jay Cunningham
01-29-08, 11:37
You understand why you hate me or understand why TOS could turn me into an ASS?

The second part.

Robb Jensen
01-29-08, 11:57
If it were mine, I'd grind down the FSB into a lo-pro gas block and just use a regular 10" or 12" DD Lite Rail, that way it's pinned and isn't going anywhere.

You have to get the gas block very small though, like this:

http://img.photobucket.com/albums/v408/gotm4/virginiaarmspics/dd656eec.jpg
http://img.photobucket.com/albums/v408/gotm4/virginiaarmspics/881e696c.jpg

Jay Cunningham
02-01-08, 02:40
Well, it looks like

You won't be happy until you start over with a mid-length.

won.

I tend to agree. :cool: