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Thread: Pmags melting?

  1. #1
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    Pmags melting?

    Forgive me if this has been answered, but my search turned up no good results. I think everyone here will agree that the barrel of an AR can get pretty warm. Has anyone, deliberately or not, rested a hot barrel on a Pmag? If so, was there any damage to the magazine and did you have to scrape melted polymer off the barrel of your rifle? I'm asking out of simple curiosity more than anything.
    Thanks.

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    Quote Originally Posted by Stan_TheGunNut View Post
    Forgive me if this has been answered, but my search turned up no good results. I think everyone here will agree that the barrel of an AR can get pretty warm. Has anyone, deliberately or not, rested a hot barrel on a Pmag? If so, was there any damage to the magazine and did you have to scrape melted polymer off the barrel of your rifle? I'm asking out of simple curiosity more than anything.
    Thanks.
    No, they do not melt even under sustained full auto fire in the M249 SAW. If you can melt a PMAG inside a weapon that isn't on fire, I'll buy back every PMAG you own.
    Last edited by NickB; 08-10-08 at 23:06.
    --Nick
    Owner, Reptilia & Side Project, LLC

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    I have a feeling that it would be able to stand it, but not for a long amount of time. We would have to get an answer from someone at the company I believe. This is all I could find on the subject from a Magpul pdf....

    Will the PMAG™ melt under the extreme heat of sustained fully-automatic fire?
    One PMAG™ has been tested in extreme heat/sustained automatic fire and demonstrated no melt failure.
    PMAGs™ loaded into a hot gun have run without malfunctioning or showing any signs of strength loss.
    PMAGs™ have also endured full-auto suppressed fire without ill effects


    http://www.magpul.com/pdfs/PMAGPress.pdf


    OK, that answers that.
    Last edited by Detective_D; 08-10-08 at 23:00.

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    Thanks for the replies. I'm sure the chamber area of the AR15/M16 gets hot, but I can't see the heat in the lower reciever where the magazine is seated getting as hot as the barrel itself (maybe it's just as hot, but I don't know). That's why I specifically asked if anyone has experiened any melting of a Pmag by resting a hot barrel on it.

    I'm guessing it's a non-issue though, because surely someone would have posted by now if it were a problem.

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    Quote Originally Posted by Stan_TheGunNut View Post
    Thanks for the replies. I'm sure the chamber area of the AR15/M16 gets hot, but I can't see the heat in the lower reciever where the magazine is seated getting as hot as the barrel itself (maybe it's just as hot, but I don't know). That's why I specifically asked if anyone has experiened any melting of a Pmag by resting a hot barrel on it.

    I'm guessing it's a non-issue though, because surely someone would have posted by now if it were a problem.
    I'll be at the range Tuesday or Wednesday and I'll give it a try with the M249 barrel and a hot suppressor. I think it's a non-issue, but I'll let you know what I find.
    --Nick
    Owner, Reptilia & Side Project, LLC

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    Quote Originally Posted by NickB View Post
    I'll be at the range Tuesday or Wednesday and I'll give it a try with the M249 barrel and a hot suppressor. I think it's a non-issue, but I'll let you know what I find.
    Thanks. I'm interested in the results.

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    My first question would be why would one be resting the barrel of a super hot gun on a PMAG or anything else to begin with?

    Second I would be more concerned about the damage to the weapon by exceeding the max. sustained rate of fire.

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    Quote Originally Posted by Iraqgunz View Post
    My first question would be why would one be resting the barrel of a super hot gun on a PMAG or anything else to begin with?

    Second I would be more concerned about the damage to the weapon by exceeding the max. sustained rate of fire.

    Ditto

    I run PMAG's exclusivley in Iraq -- we have run them thru suppressed M249 para's here - and no problems.

    I see it as a non issue.
    Kevin S. Boland
    Manager, Federal Sales
    FN America, LLC
    Office: 703.288.3500 x181 | Mobile: 407-451-4544 | Fax: 703.288.4505
    www.fnhusa.com

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    This is "what-iffing" to the extreme. Who really worries about this sort of thing?

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    What LL you do not worry about this. I have nightmares about this all the time

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