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Thread: The AR15 9mm pistol with brace is really nice. But...

  1. #1
    Registered User timkel's Avatar
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    The AR15 9mm pistol with brace is really nice. But...

    drop that 9mm upper on a M16 lower and it's even better.

    Last edited by timkel; 05-16-2018 at 10:29 AM.

  2. #2
    Registered User MPA guy's Avatar
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    Don't know about better.

    Faster maybe.

  3. #3
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    Oh no -- it's much better. That is the most fun setup I've done in a long time.

  4. #4
    Registered User garandman's Avatar
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    Source for the original pistol w. brace?

  5. #5
    Registered User timkel's Avatar
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    Quote Originally Posted by garandman View Post
    Source for the original pistol w. brace?
    Built it from parts. Shockwave brace. Mag block is a KAK. Bolt carrier is from AIM. The rest from various online places.

  6. #6
    Registered User StooperZero's Avatar
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    i have one of the prototype shockwave braces I tested. Original design was cool but hurts cause it was so slim.

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    Quote Originally Posted by StooperZero View Post
    i have one of the prototype shockwave braces I tested. Original design was cool but hurts cause it was so slim.
    What does it hurt --your shoulder ?? LOL !!

  8. #8
    Registered User StooperZero's Avatar
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    forearm area cause of it's shape .


    I never shouldered it cause I already had an sbr AR . let a dummy i know test it out on his pistol he built and reported my findings back to shockwave

  9. #9
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    I have heard that the 9mm is hard on the trigger pins. Does the ramped bolt carrier completely solve that issue?

  10. #10
    Registered User MPA guy's Avatar
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    No, but it does help tremendously.

    Many people will also use a set of KNS antirotational trigger pins in conjunction with the heaviest buffer and buffer spring as they can get to reliably run.

  11. #11
    Registered User timkel's Avatar
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    I haven't had any issues with standard pins. The bolt I use is ramped. It runs fine with a 3.0oz carbine or a standard rifle buffer.

  12. #12
    Registered User MPA guy's Avatar
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    9mm buffers are typically 5oz or greater due to being direct blowback. The heavier buffer/spring slows the bolt unlocking and reduces the momentum that eggs a lot of hammer holes and such.

    Standard rifle buffers also don't tend to work well in carbine/collapsible buffer tubes either.

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