Muzzle brake install method

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  • 3 Post By vertigosol

Thread: Muzzle brake install method

  1. #1
    Senior Member Cannon762's Avatar
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    Aug 2015
    101 times

    Muzzle brake install method

    I've got a Dead Air brake for my 17S coming in, using it with a KBA shoulder ring - will verify with a bore guide etc.

    The KBA ring has a max torque of 25ft/lbs so not terribly high. I saw a post a while back saying that FN does something like putting the upper in a vice with the barrel installed and then torquing their muzzle devices on.

    Is that accurate? I know the SCAR uppers are tough but it seems like that would be hard on the screws - unless the barrel lugs are bracing it. Anyway, I'm assuming I should remove the barrel and vice it, but didn't know what methods you guys have used to install your brakes.

    Thanks for any advice.

  2. #2
    Senior Member vertigosol's Avatar
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    Dec 2012
    Albuquerque NM
    1318 times
    remove the barrel from upper, put in barrel blocks in a vice, then tighten on the required muzzle device/KBA ring
    akitainu, Cannon762 and BigBuckeyeGuy thanked this.

  3. #3
    FN Supporter
    Jarod Legsdin's Avatar
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    Nov 2013
    Strafford NH
    1718 times
    What vertigosol said it the method I use all the time.

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  5. #4
    Junior Member
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    Jan 2017
    2 times
    What about using an aluminum lined barrel clamp vise and supporting the upper receiver. This is the method I've seen and am considering to install my specwar brake.

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