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Thermold Mags?

This is a discussion on Thermold Mags? within the Ammunition forums, part of the M14 M1A Forum category; Just recently I ordered some Thermold mags from Sportsmans Guide because they were not taking back orders on the metal ones. Got them in today ...


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Old January 22nd, 2013, 04:00 PM   #1
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Thermold Mags?

Just recently I ordered some Thermold mags from Sportsmans Guide because they were not taking back orders on the metal ones. Got them in today and they will not feed properly. They snap into the magwell fine but will not feed. I also looked today and now everything is back ordered and they won't take any more orders.

Here is my question: Due to the lack of stock from suppliers should I A) send them back and wait two months for replacements? B) Send them and wait three months for metal mags? Or C) try to trim up the lips on them and make them work?

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Old January 22nd, 2013, 04:08 PM   #2
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mine did the same thing, i opened them up and stretched the springs and it has not miss feed seen. it takes a couple of trys to get it right but i pulled them about 50% over original length.

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Old January 22nd, 2013, 06:41 PM   #3
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I tried what you suggested on one of them and one of the tabs on it broke but I taped it back up and loaded it and now it will feed half of them but after 8 rds the other 12 won't feed. Any other suggestions? Did you have to trim or alter the feed lips in any way?

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Old January 22nd, 2013, 07:51 PM   #4
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Mine have feed issues too

Heres a link
Thermold Review:Freezer test today

To a thread on thermolds.

I just got some, and they refuse to feed the last 3-5 rounds. I took one apart last night and found that I have the "old" 8 coil springs. New are 9 coil. I tuned up the follower by removing flashing. Ornate a distinct improvement at the kitchen table, er, workbench... I'll function test it when I get the stones to brave this cold snap!

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Old January 23rd, 2013, 02:59 PM   #5
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One thing I noticed on the problem with the last few rounds feeding, is that the rear of the mag lips where the base of the casing sits is rounded a little. This is mainly from the molding process. Also, there tends to be excess plastic on the edges from molding as well.

I actually trimmed the excess plastic off the edges to clean it up, and squared of the inside of the rear of the lip a little, so the casing sits flush inside the rear of the lipo. I did so with my X-acto, in a very small manner. Very little was trimmed, if any. All my Thermolds now cycle ammo just fine.

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Old January 23rd, 2013, 03:28 PM   #6
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Nothing but problems with thermold mags here. Mine were 30 rounds for a mini 14 however.

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Old February 5th, 2013, 09:41 AM   #7
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I took one of mine apart, and did as Condor did. I also tuned up the follower a bunch ie; filed the flash off, and a little more. The follower was dragging a little at the rear. Works fine now. I'll give the others the same treatment and see what happens.

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Old February 5th, 2013, 09:50 AM   #8
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I have about a dozen of these and after trimming any excess from when it was molded, stretching the springs a little, and spraying the inside and follower with silicone spray they all work fine. I did all this before use so I have no idea if there would have been problems with them as is. They have been very good mags for me.

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Old February 5th, 2013, 10:22 AM   #9
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I think you have hit on the reason that there are Thermold mags available when nothing else is.

Hitler doesn't even like Thermolds.


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Old February 5th, 2013, 10:29 AM   #10
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are we talking not feeding in live fire, or with you cycling the rifle manually.

mine will not feed manually, but has never malfunctioned in live fire.

the arfcom meme doesn't apply so much with the m14, though thermold mags seem questionable at best.

there is one HUGE advantage to the thermold m14 mag... faster mag changes. mine is the 8 coil, and it does not cycle manually, but again has never hiccuped on the range.

Thanks from libertynow
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Old February 5th, 2013, 12:57 PM   #11
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Quote:
Originally Posted by tmcfalls View Post
I think you have hit on the reason that there are Thermold mags available when nothing else is.

Hitler doesn't even like Thermolds.

Aren't they made from melted Pringles lids?

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Old February 5th, 2013, 01:04 PM   #12
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Quote:
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Aren't they made from melted Pringles lids?
I can't even think about that meme at work without laughing out loud and having my co-workers look at me funny. That is the funniest thing I have seen in years.

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Old February 5th, 2013, 02:06 PM   #13
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D. sell them for a profit and put money towards US GI in a few months.

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