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WARNING: SCAR 16S onwers using PMAGs

Discussion in 'Black Rifle Forum' started by Sturmgewehre, Feb 1, 2011.

  1. Sturmgewehre

    Sturmgewehre

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    May 8, 2007
    If you own a SCAR 16s and run Magpul PMAGs, please watch this video.

    <iframe title="YouTube video player" class="youtube-player" type="text/html" width="640" height="390" src="http://www.youtube.com/embed/VIFuVd7-HFs?rel=0" frameborder="0" allowFullScreen></iframe>
     

  2. Sturmgewehre

    Sturmgewehre

    662
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    May 8, 2007
    No. But the guy that originally found the issue has contacted both Magpul and FN about it I believe.

    There are so many PMAGs in circulation that I wanted to let people know that the problem exists and that if they're running PMAGs in their SCARs, they need to make this modification.
     
  3. AK_Stick

    AK_Stick AAAMAD

    17,392
    1,097
    Jan 20, 2004
    Alaska, again (for now)
    For those of us who can\'t view the video, what is your issue?


    Having problems getting them to drop free/hard to get in? or is this some other issue?


    If its the mags are hard to seat/don\'t drop free, try E-mags, they\'re designed for guns with the slightly smaller mag wells found in many STANAG weapons.
     
  4. Sturmgewehre

    Sturmgewehre

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    May 8, 2007
    The issue is that with PMAG's the magazines cause the bolt hold-open device to stick up partially which in turn causes the bolt to whack it (but not lock back) going forward with each round fired. It causes damage to the bolt hold open device and it has caused damage to at least one users bolt.

    Here's what the bolt hold looks like with a standard NATO M16 mag inserted.

    [​IMG]

    Here's what the PMAG looks like in relation to the bolt hold. You can also see a slight impact mark on the back of my bolt hold where my bolt/carrier has been hitting it. I did fire the rifle with unmodified magazines a few times, but not many. Maybe 100 rounds.

    [​IMG]

    The solution is to use a Dremel (or file) to remove material from the back of the PMAG that's causing the bolt hold to stick up. Here's a shot of a modified mag and a non-modified mag.

    [​IMG]
     
    Last edited: Feb 1, 2011
  5. tx787

    tx787

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    Feb 11, 2010
  6. Sturmgewehre

    Sturmgewehre

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    May 8, 2007
    Which is great, except for those of us that have a stock of PMAG's already. I'm not going to run out and buy a bunch of EMAGs to go with my PMAGs and try to keep them separate.

    That's why God gave us the Dremel.
     
    Last edited: Feb 1, 2011
  7. tx787

    tx787

    2,355
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    Feb 11, 2010
    true, that's very legitimate use of the Dremel, as opposed to Glock frame mods

    edit: I wasn't trying to be critical, I was just pointing out that it shouldn't be a surprise that the pmags would have trouble with a rifle that is in the euro style, which the emags are made for
     
    Last edited: Feb 1, 2011
  8. Sturmgewehre

    Sturmgewehre

    662
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    May 8, 2007
    Oh yeah... :supergrin: You won't catch me going anywhere near my Glocks with a Dremel. I like them too much.
     
  9. +1, the Scar is supposed to work with AR mags (Pmags). It would not even be worth owning if it was not AR mag compatable.
     
  10. KalashniKEV

    KalashniKEV

    6,391
    3
    Sep 24, 2003
    NoVA
    More like STANAG exists for a reason.
     
  11. billwade

    billwade

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    Nov 28, 2004
    PA
    thanks for the heads up. if you have access to an emag will you check to see if they do the same thing?
     
  12. bullet3z

    bullet3z

    45
    0
    Feb 1, 2011
    Pa
    Good thread but before I took the Dremel to my $18 windowed Pmag I would just run the $8 metal mag and not have to worry about this. Not that I will probably ever own a SCAR. But at least I know now.
     
    Last edited: Feb 5, 2011