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Thread: Rail Question(s)

  1. #1
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    Rail Question(s)

    As I stated in another thread, I'm upgrading two Colt 6920 rifles from a DD 7.0 and 12.0 Omega cheese grater rail to M-LOK.

    The rifles will be two of my SHTF rifles, so I'm looking for a rail that will be SOLID when installed with no rotation. Also, I'd prefer a svelte rail if possible. That being said, should I be looking at a rail that mounts to a proprietary barrel nut, i.e., BCM or a two-piece rail that attaches to a standard barrel nut like the Centurion Arms C4?

    What are the pros/cons of each system?

    What rails should I be considering based upon the above criteria?

    I'm currently considering BCM MCMR, Centurion Arms C4, DD Omega M-LOK and KAC URX 4. Would love to try a Geissele Super Modular MK16, but I don't think it'll work with these rifles. Anything else?
    Here comes the thunder.

  2. #2
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    Are you ditching the FSB in favor of a gas block?
    AQ planned for years and sent their A team to carry out the attacks, and on Flight 93 they were thwarted by a pick-up team made up of United Frequent Fliers. Many people look at 9/11 and wonder how we can stop an enemy like that. I look at FL93 and wonder, "How can we lose?". -- FromMyColdDeadHand

  3. #3
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    Rail Question(s)

    Centurion

    Will bolt to your existing bbl nut and Monte’s rails are GTG

    Edit: I’d grind down the FSB
    Last edited by R0CKETMAN; 08-01-20 at 19:57.
    "Bones Heal, Chics Dig Scars, Pain Goes Away"

  4. #4
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    Quote Originally Posted by ggammell View Post
    Are you ditching the FSB in favor of a gas block?
    Hadn't planned on it.
    Here comes the thunder.

  5. #5
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    Quote Originally Posted by Saber329 View Post
    Hadn't planned on it.
    Then a drop in Centurion would be the easiest option.
    AQ planned for years and sent their A team to carry out the attacks, and on Flight 93 they were thwarted by a pick-up team made up of United Frequent Fliers. Many people look at 9/11 and wonder how we can stop an enemy like that. I look at FL93 and wonder, "How can we lose?". -- FromMyColdDeadHand

  6. #6
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    Quote Originally Posted by R0CKETMAN View Post

    Edit: I’d grind down the FSB
    I'm just getting back into this stuff after a long hiatus, so forgive my ignorance when I ask; why?
    Last edited by Saber329; 08-02-20 at 08:00.
    Here comes the thunder.

  7. #7
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    I recently installed a Centurion Arms rail with the FSB cutout on a 14.5 Socom barrel. It is Awesome.

  8. #8
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    Quote Originally Posted by Saber329 View Post
    I'm just getting back into this stuff after a long hiatus, so forgive my ignorance when I ask; why?
    Because it’s pinned and in theory will take a nuclear blast to make it move. It will allow many more rails options vs “cut out only” rails.
    "Bones Heal, Chics Dig Scars, Pain Goes Away"

  9. #9
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    Quote Originally Posted by R0CKETMAN View Post
    Because it’s pinned and in theory will take a nuclear blast to make it move. It will allow many more rails options vs “cut out only” rails.
    Thanks.
    Here comes the thunder.

  10. #10
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    So let's flip the coin and say I'm going to remove the FSB. What rail would you suggest now?
    Here comes the thunder.

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