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Thread: Pinned muzzle brake and FSB removal?

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    Pinned muzzle brake and FSB removal?

    I am planning to purchase a 14.5" midlength Light weight upper from BCM. I have a local smith who can shave down the the FSB, but what I need to know is if the FSB can be removed with a pinned on flash hider? I know the diameter of the light weight barrel is smaller than the gov't profile barrel. I am planning on using a Battle comp 1.5 flash hider. Should I wait to have the flash hider pinned until after the FSB is shaved down? Is this legal if I wait to purchase the lower till after the upper is pinned? Thanks for your help.

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    The easiest way would be to have it shipped to your gunsmith directly and unpinned if he agrees to do it. No need to have to drill out the pin if you don't have to.

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    Ok, so the FSB can't be removed without the removal of the flash hider. That's good to know. Thanks for the help. Since it would be in an NFA configuration till it's pinned. I should have it shipped directly to the gunsmith to avoid any potential hassle right?

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    Quote Originally Posted by Gunfighter 9 View Post
    Ok, so the FSB can't be removed without the removal of the flash hider. That's good to know. Thanks for the help. Since it would be in an NFA configuration till it's pinned. I should have it shipped directly to the gunsmith to avoid any potential hassle right?
    That's what I'd do. If you have a rifle lower in your house you could be charged with constructive intent if you have it shipped to yourself.

    Shipping would cost the same anyway.

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    Quote Originally Posted by ryr8828 View Post
    That's what I'd do. If you have a rifle lower in your house you could be charged with constructive intent if you have it shipped to yourself.

    Shipping would cost the same anyway.
    Well I don't have the lower yet, but it's better to be safe than sorry. Thanks for your help.

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    I am a little confused- help me out. What hassle are you referring to? An upper is not a firearm and it's not an NFA item until you attach it to a lower. Therefore it doesn't matter what's pinned on it or the barrel length.

    Second. Make sure that any work is done before you pin the flash hider. Once it is done it is going to be a PITA to remove. I personally would not pin a flash hider in place-especially once as expensive as a Battle Comp except in a few limited situations.

    You would be better off with a 16" upper.

    Quote Originally Posted by Gunfighter 9 View Post
    Ok, so the FSB can't be removed without the removal of the flash hider. That's good to know. Thanks for the help. Since it would be in an NFA configuration till it's pinned. I should have it shipped directly to the gunsmith to avoid any potential hassle right?



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    Also agree with above...it is not an issue until it is attached. If you have a 14.5, shave it yourself and then have it pinned. I just did my first and it easier than I thought as long as you have the propped tools for removing the FSB and recon touring it. Even a caveman could do it!

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    Quote Originally Posted by ryr8828 View Post
    If you have a rifle lower in your house you could be charged with constructive intent if you have it shipped to yourself.
    This was always my understanding, too...


    Quote Originally Posted by Iraqgunz View Post
    I am a little confused- help me out. What hassle are you referring to?
    OK, now I'm the one who's confused.

    Are you just playing dumb and implying that "constructive intent" isn't a potential hassle, or is this a real question?

    I wouldn't want to have to explain how I came to have a less-than-16" barreled upper and a lower in my possession without NFA paperwork...

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    Quote Originally Posted by backfist View Post
    Also agree with above...it is not an issue until it is attached. If you have a 14.5, shave it yourself and then have it pinned. I just did my first and it easier than I thought as long as you have the propped tools for removing the FSB and recon touring it. Even a caveman could do it!
    Well unfortunately I have none of the tools required and no work bench so doing it myself is not an opition.

    Quote Originally Posted by Iraqgunz View Post
    I am a little confused- help me out. What hassle are you referring to? An upper is not a firearm and it's not an NFA item until you attach it to a lower. Therefore it doesn't matter what's pinned on it or the barrel length.

    Second. Make sure that any work is done before you pin the flash hider. Once it is done it is going to be a PITA to remove. I personally would not pin a flash hider in place-especially once as expensive as a Battle Comp except in a few limited situations.

    You would be better off with a 16" upper.
    I was also under the impression that having an NFA upper and a non-NFA lower in the same residence could be construed as constructive intent. Since the ATF is such a wonderfully forgiving organization I would rather err on the side of caution.

    I am also not particularly thrilled about a pinned flash hider, but my choices are to go through the hassle of SBR'ing a lower or pinning a flash hider. Pinning the flash hider is the less time/money consuming route. I am also now looking at a VLTOR VC-1 instead of the Battle Comp.

    Thank you to everyone for your assistance with my questions.

  10. #10
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    Constructive intent is bullshit, unless you can show otherwise. Also, I believe the OP stated he didn't have a lower yet.

    Quote Originally Posted by Bimmer View Post
    This was always my understanding, too...




    OK, now I'm the one who's confused.

    Are you just playing dumb and implying that "constructive intent" isn't a potential hassle, or is this a real question?

    I wouldn't want to have to explain how I came to have a less-than-16" barreled upper and a lower in my possession without NFA paperwork...



    Owner/Instructor at Semper Paratus Arms

    Facebook: https://www.facebook.com/SemperParatusArms/

    Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/

    M4C Misc. Training and Course Announcements- http://www.m4carbine.net/forumdisplay.php?f=141

    Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com

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