View Full Version : Two Piece 9" Rail for 14.5" Pinned Barrel
05-30-2011, 2:40 PM
Hey guys... anyone know what 9" rails can be installed on a 14.5" perm pinned barrel?
05-30-2011, 2:47 PM
DD has a set I think. You would have to cut the FSB I think.
05-30-2011, 2:54 PM
Does it have an FSB or a low-pro gas block? (I'm assuming FSB, but want to be sure.)
05-30-2011, 3:05 PM
I have this MI rail on my dedicated .22 upper and it works great. I had it on a 5.56 upper for awhile and it held just fine there as well.
If you don't have an FSB you would need to remove, then there are ton of options out there - DD being my favorite.
05-30-2011, 3:13 PM
If I decide to put a rail on my pinned 14.5" middy, it will be a Centurion Rail. They're supposed to be extremely light.
It's a two-piece system that clamps on to the existing barrel nut. However, you will need to cut away the delta ring assembly and the handguard cap.
05-30-2011, 3:36 PM
Centurion are nice, need to cut off delta ring and front hand guard cap.
DD omega will work without modification
05-30-2011, 5:56 PM
Thanks for the responses! I just realized I failed to mention two important things. I have an fsb and I'm looking to free float.
05-30-2011, 8:50 PM
Is your FSB at carbine or mid length?
05-30-2011, 8:57 PM
05-31-2011, 12:54 AM
you could carfully cut off the fsb and the barrel nut should be qble to come off. then you can use any free float you want. you will need a clamp on gas block.
the Vltor CASV-S...it's free floating 9" rail and is mounted in 2 parts...so you don't have to remove the barrel nut, gas block or pinned muzzle device.
05-31-2011, 8:29 AM
will a clamp-on gas block fit over the perm FH?
05-31-2011, 10:01 AM
^^ No. You'll need to remove the FH.
05-31-2011, 10:04 AM
From all the options mentioned, looks like the DD Omega is the best bet for me since it doesn't require any alterations to the gun and can be returned to stock.
I'd like not to have to cut anything and most of the other options require cutting since nothing can be removed over the FSB or the pinned muzzle device.
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