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ProMag Magazines Fall Right Out of My M1A

This is a discussion on ProMag Magazines Fall Right Out of My M1A within the The M14 forums, part of the M14 M1A Forum category; Originally Posted by Gen Jack Ripper I must be the ONLY guy here to have had a problem with CMI mags. But, all the old ...


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Old February 20th, 2017, 04:11 PM   #46
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Originally Posted by Gen Jack Ripper View Post
I must be the ONLY guy here to have had a problem with CMI mags. But, all the old USGI's BRW, KMT, OM and even Chinese mags I have all work fine.

(Awaiting my blanket party or trip to the woodshed)...
Didn't know Chinese mags worked for anyone. I have 1 China mag, it's not reliable and has even thrown loaded ammo out the top of the gun...

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Old February 21st, 2017, 05:28 AM   #47
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Originally Posted by thatGunGuy View Post
Didn't know Chinese mags worked for anyone. I have 1 China mag, it's not reliable and has even thrown loaded ammo out the top of the gun...

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I've got 3 that came with a Norinco or Polytech M14s. They work fine in my Springfield M1A as do the USGI mags from 3 different manufacturers, 2 brand new CMI's however failed to hold the bolt back on last round, or, bolt slams shut when empty mag is removed. I gave up on them...

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Old February 21st, 2017, 07:59 AM   #48
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Quote:
Originally Posted by Gen Jack Ripper View Post
I must be the ONLY guy here to have had a problem with CMI mags. But, all the old USGI's BRW, KMT, OM and even Chinese mags I have all work fine.

(Awaiting my blanket party or trip to the woodshed)...
No woodshed for you

I have a really big box of new CMI mags still in the wrap from various sources
Maybe I should field test the LRBHO in a few of them in a random selection

I have some of the typhoony W marked mags that almost work fine until the last round kind of pops out of the feed lips

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Old February 22nd, 2017, 09:57 AM   #49
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Originally Posted by dozerhand View Post
Forum rules: Pics or it didn't happen
Ok so.... You want a photo of the ProMag magazine not in the rifle? Not sure how to document this with pics.

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Old February 22nd, 2017, 09:59 AM   #50
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Are you hooking the front of the mag in first and then rocking the rear up to lock?
Yep! It feels as though the welded on lug, on the rear face of the magazine is too low for the magazine catch to engage it.

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Old February 22nd, 2017, 10:20 AM   #51
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Originally Posted by Porkchopper View Post
Yep! It feels as though the welded on lug, on the rear face of the magazine is too low for the magazine catch to engage it.
Polack was serious when he said to file that tab, just file it until it snaps in place.

Thanks from nf1e
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Old February 22nd, 2017, 10:26 AM   #52
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OP Update:

The gun show that I purchased these at (Pensacola) came back around this past weekend to my town (Fort Walton Beach), so I ran over hoping to return these to the vendor. As fate would have it, they didn't attend.

I have not yet de-stocked the rifle but I am 99% sure that the welded-on block on the rear face of the magazine extends too low to allow for a proper catch.

I YouTube'd ProMag prior to purchasing these and found nothing negative. I thought that was enough due diligence.

I will not sell these to another unsuspecting person.

I will call ProMag and give them the opportunity to take these back and refund my money. They claim to offer a lifetime warning against manufacturing defects. I consider out of spec to be a manufacturing defect.

In the event the are not interested, I will make a YouTube video reviewing the magazines and documenting my customer service experience with ProMag. I'll post a link if it comes to that.

Worst case, I'll start filing on the lugs and see if I can't get them to fit. If they end up working, they'll just be range mags. The M1A is not my go to war gun - I'm an AK guy at heart.

Thanks to all who've weighed in with helpful advice!

Thanks from nf1e and CharlieLima
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Old February 22nd, 2017, 01:57 PM   #53
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Yeah, I kinda wanted to see a pic of your magazine, no matter. This is actually for Thermold Mags but may be what you need to do. Don't take it all at once just file a little at a time till you attain the desired results.

later, dozer

p.s. or just do as has been suggested and throw those in the trash and order some of "The Real Deal"
p.p.s. I have experienced zero problem with my Thermold and W marked steel mags but have had an occasional malfunction with the one CMI I have unwrapped, keeping several more for SHTF scenario
p.p.s. see how a picture enhances the discussion
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File Type: jpg SCAN0003.jpg (36.3 KB, 18 views)

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Old February 22nd, 2017, 02:44 PM   #54
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Load up the promag, then throw it at whomever you want to hit.

Buy CMI or USGI. That's it.
And Springfield uses CMI.

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Old February 22nd, 2017, 04:48 PM   #55
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Originally Posted by Capona View Post
Load up the promag, then throw it at whomever you want to hit.

Buy CMI or USGI. That's it.
And Springfield uses CMI.
Al, your wrong this time. The proper way to use a pro mag is to tape a nickel to it and throw it in the river, that way you can be honest when you say you lost something.

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Old February 23rd, 2017, 11:59 AM   #56
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To be clear, when you guys refer to "CMI" you mean Check-Mate Industries?

Thanks from nf1e
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Old February 23rd, 2017, 01:03 PM   #57
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Originally Posted by Porkchopper View Post
To be clear, when you guys refer to "CMI" you mean Check-Mate Industries?
That would be correct.

Thanks from Porkchopper
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Old February 23rd, 2017, 02:05 PM   #58
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Quote:
Originally Posted by Porkchopper View Post
OP Update:

The gun show that I purchased these at (Pensacola) came back around this past weekend to my town (Fort Walton Beach), so I ran over hoping to return these to the vendor. As fate would have it, they didn't attend.

I have not yet de-stocked the rifle but I am 99% sure that the welded-on block on the rear face of the magazine extends too low to allow for a proper catch.

I YouTube'd ProMag prior to purchasing these and found nothing negative. I thought that was enough due diligence.

I will not sell these to another unsuspecting person.

I will call ProMag and give them the opportunity to take these back and refund my money. They claim to offer a lifetime warning against manufacturing defects. I consider out of spec to be a manufacturing defect.

In the event the are not interested, I will make a YouTube video reviewing the magazines and documenting my customer service experience with ProMag. I'll post a link if it comes to that.

Worst case, I'll start filing on the lugs and see if I can't get them to fit. If they end up working, they'll just be range mags. The M1A is not my go to war gun - I'm an AK guy at heart.

Thanks to all who've weighed in with helpful advice!
A search on this forum dug this up.
Promag 20rd M14 magazine report

He reported
--when fully loaded, the mag bulged slightly to each side enough to notice the additional force needed to insert and lock the mag into place.
--the mag initially would not insert by catching the front on the oprod spring guide and rocking it back; it would only insert by pushing upward first, then catching the front, then rocking back. In other words, it would not insert and lock quickly. However, after a few insertions/removals, it worked fine.
--once locked in, the mag stayed in and was steady.

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Old February 23rd, 2017, 02:22 PM   #59
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just put some nail polish on the rear of the lug,(your wife's or yours),let it dry,insert mag.that will give you an idea of what you need to remove.if you can get it to work,try one for function.if your satisfied,do the rest

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Old February 23rd, 2017, 08:22 PM   #60
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I just converted a Rem 700 .223 stock to an ArchAngel stock (it's the M1A Loaded w/ ArchAngel stocks fault, as in I really like the stock). Anyway Pro Mag produces the AA stock and I'm stuck with their .223 mags. Had to take a dremel to the magazines..The half-moon slot in the top where the bolt slides past blocks the bolt when being closed, had to be deepened just a tad. The lips that hold the bullet had to be eased a tad so the bolt would slide easily. Then, a fault common to many different mags, the last bullet would not feed (be picked up by the bolt). Disassembled the magazine and pulled the spring out just a bit.

The attachment picture a couple posts back: had to do that trick on several of my M1A CMI mags so they'd latch correctly. All better. It's like anything else, a little tweak here or there, no big deal. Just the figuring out can be difficult if you don't have the tinkering or tweaking knowledge or skills.

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