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Posted: 5/12/2011 9:02:58 AM EDT
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Gentlemen,
Let me start by saying I'm 100% a pro PMAG guy... That said a buddy of mine is having an issue. With PMAGs only, his bolt is not locking back after the last round. Everything works fine with standard GI mags. It is a DPMS rifle. I have not yet inspected the rifle or the mags. Has anyone seen this issue before? Anything I should look for in particular when I do inspect it? Thank you! |
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Needs strong springs. Mine did. Is this a problem with the Pmag or a rifle issue that requires stronger springs in the mag? Was there ever a known batch of Pmags with weak springs? I've not heard of it but I figured I'd check. is this a problem with A pmag or pmags in general? I recently bought 2 more pmags, and 1 out of the 2 wont lock the bolt back on my Noveske N4. This is only 1 out of the 6 or so pmags Ive tried in the rifle. Ive decided to just write it off as a magazine for a different rifle, because it works ok in others, so I'm not sure which part for me is out of spec. Do the pmags work in other rifles? |
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Quoted: Quoted: Needs strong springs. Mine did. Is this a problem with the Pmag or a rifle issue that requires stronger springs in the mag? Was there ever a known batch of Pmags with weak springs? I've not heard of it but I figured I'd check. I have 22 USGI Mags that all work fine. I have 16 PMags that 35% of them failed to hold the bolt back. The +10% Springs worked for me. http://www.44mag.com/product/stainless_steel_ar15_magazine_spring/ar15_magazine_components |
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Needs strong springs. Mine did. Is this a problem with the Pmag or a rifle issue that requires stronger springs in the mag? Was there ever a known batch of Pmags with weak springs? I've not heard of it but I figured I'd check. is this a problem with A pmag or pmags in general? I recently bought 2 more pmags, and 1 out of the 2 wont lock the bolt back on my Noveske N4. This is only 1 out of the 6 or so pmags Ive tried in the rifle. Ive decided to just write it off as a magazine for a different rifle, because it works ok in others, so I'm not sure which part for me is out of spec. Do the pmags work in other rifles? Definitely not a problem with PMAGs in general. We also haven't noticed any issues with the supplied spring (we use a standard weight USGI-spec stainless spring). If only one of your mags is having issues it's most likely just a fluke. Please contact us directly for replacement. |
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Needs strong springs. Mine did. Is this a problem with the Pmag or a rifle issue that requires stronger springs in the mag? Was there ever a known batch of Pmags with weak springs? I've not heard of it but I figured I'd check. is this a problem with A pmag or pmags in general? I recently bought 2 more pmags, and 1 out of the 2 wont lock the bolt back on my Noveske N4. This is only 1 out of the 6 or so pmags Ive tried in the rifle. Ive decided to just write it off as a magazine for a different rifle, because it works ok in others, so I'm not sure which part for me is out of spec. Do the pmags work in other rifles? Definitely not a problem with PMAGs in general. We also haven't noticed any issues with the supplied spring (we use a standard weight USGI-spec stainless spring). If only one of your mags is having issues it's most likely just a fluke. Please contact us directly for replacement. Hey Justin I E-mailed Mag Pull and I E-mailed you from another web sight and I posted it and they jumped me for it and took my post away and e-mailed me and called me a liar .you e-mailed me and said that Mr Beard is busy well that has been a long time but you will help every body else out JUST MY RANT 
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Needs strong springs. Mine did. Is this a problem with the Pmag or a rifle issue that requires stronger springs in the mag? Was there ever a known batch of Pmags with weak springs? I've not heard of it but I figured I'd check. is this a problem with A pmag or pmags in general? I recently bought 2 more pmags, and 1 out of the 2 wont lock the bolt back on my Noveske N4. This is only 1 out of the 6 or so pmags Ive tried in the rifle. Ive decided to just write it off as a magazine for a different rifle, because it works ok in others, so I'm not sure which part for me is out of spec. Do the pmags work in other rifles? Definitely not a problem with PMAGs in general. We also haven't noticed any issues with the supplied spring (we use a standard weight USGI-spec stainless spring). If only one of your mags is having issues it's most likely just a fluke. Please contact us directly for replacement. Hey Justin I E-mailed Mag Pull and I E-mailed you from another web sight and I posted it and they jumped me for it and took my post away and e-mailed me and called me a liar .you e-mailed me and said that Mr Beard is busy well that has been a long time but you will help every body else out JUST MY RANT Well I got rid of my P-mags at the Gunshow here in Houston I sold them to some body for 5 bucks a piece because I E-mailed Mag pull a month ago and they did nothing to help just told me that they where busy well I'm busy to I have to go on with my life and I have to give my M-4 good mags so it will operate and that is why I got G.I mags 
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Needs strong springs. Mine did. Is this a problem with the Pmag or a rifle issue that requires stronger springs in the mag? Was there ever a known batch of Pmags with weak springs? I've not heard of it but I figured I'd check. is this a problem with A pmag or pmags in general? I recently bought 2 more pmags, and 1 out of the 2 wont lock the bolt back on my Noveske N4. This is only 1 out of the 6 or so pmags Ive tried in the rifle. Ive decided to just write it off as a magazine for a different rifle, because it works ok in others, so I'm not sure which part for me is out of spec. Do the pmags work in other rifles? Definitely not a problem with PMAGs in general. We also haven't noticed any issues with the supplied spring (we use a standard weight USGI-spec stainless spring). If only one of your mags is having issues it's most likely just a fluke. Please contact us directly for replacement. Hey Justin I E-mailed Mag Pull and I E-mailed you from another web sight and I posted it and they jumped me for it and took my post away and e-mailed me and called me a liar .you e-mailed me and said that Mr Beard is busy well that has been a long time but you will help every body else out JUST MY RANT Well I got rid of my P-mags at the Gunshow here in Houston I sold them to some body for 5 bucks a piece because I E-mailed Mag pull a month ago and they did nothing to help just told me that they where busy well I'm busy to I have to go on with my life and I have to give my M-4 good mags so it will operate and that is why I got G.I mags Sorry for any delays. As mentioned in the auto reply, we are extremely busy with emails these days and if you cannot reach us through that avenue a phone call may be required. |
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quite a few threads of pmags failing lately... Makes you wonder how many standard GI mags have failed lately... What's your point? The OP can easily be a rifle issue, but I suppose we should blame the PMAG anyway. Seems to be the popular thing to do. Justin - Thank you for the responses and your efforts on behalf of Magpul. |
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quite a few threads of pmags failing lately... Makes you wonder how many standard GI mags have failed lately... What's your point? The OP can easily be a rifle issue, but I suppose we should blame the PMAG anyway. Seems to be the popular thing to do. Justin - Thank you for the responses and your efforts on behalf of Magpul. Wow lighten up little fella. I was just stating what i have observed here lately. Now that you mentioned it can you point me to a failed GI mag thread? |
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I've seen this trouble when using the DPMS parts kit's Bolt catch. the DPMS both catch is TOO SHORT DPMS vs. COLT http://img.photobucket.com/albums/v488/derek45/AR/IMGP5694.jpg DPMS BOLT CATCH FAILS... http://img.photobucket.com/albums/v488/derek45/AR/IMGP5612.jpg REPLACED WITH COLT ... http://img.photobucket.com/albums/v488/derek45/AR/IMGP5695.jpg What happens when you put a USGI mag in the rifle with the DMPS catch? Will that operate the catch? |
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Update:
While the OP's gun is an AR15, tx318's gun is a Daewoo K2. Since the Daewoo has many components that are not interchangeable with the M16, bolt-lock issues might very well be possible. Please bear in mind, the PMAG is optimized for the Colt M16. If an AR15 or other platform strays too far from the Colt spec then there may or may not be issues... |
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Update: While the OP's gun is an AR15, tx318's gun is a Daewoo K2. Since the Daewoo has many components that are not interchangeable with the M16, bolt-lock issues might very well be possible. Please bear in mind, the PMAG is optimized for the Colt M16. If an AR15 or other platform strays too far from the Colt spec then there may or may not be issues... No I put them in my Bushmaster M-4 first and when I had problems I put in my G.I mags and they work .I then put them in my Daewoo K-2 and they did the same thing .The one that broke in the back was the one that I put in the Bushy M-4 .I got double feed from both and they would not lock back .Just trying to clear the air I will be calling them tomorrow 5/17/11 and I will keep you posted
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Last time I saw an issue like this, the DPMS rep said it was "tolerance stacking" and they offered to help make it right. Have your buddy contact DPMS, tell them he has a thousand dollars in PMAGS and this is a dealbreaker for him. They should work with him to sort it out, probably just replace a part or two. |
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I've experienced a failure to lock back once with a 30 round PMAG, couldn't get it to happen again though. Failure to lock back happened at least 50% of the time with my 20 rd PMAGs though. 3 different 20 round PMAGs, 2 different lowers. Just got rid of the 20 rounders and will stick with the 30 rounders in plastic. Will pick up some aluminum 20s eventually. |
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I have a new DPMS that the bolt is not holding open with any mags under fire, but will when I manually pull the bolt back, DPMS says that is common with new rifles and it should loosen up with 150 or so rounds through it. We will see. I did just buy a couple pmags, I will try them out in all my ARs and see if any have issues with them. CDNN is selling the Master Molder thermold mags 20 rounders for $3.99 and 30 rounders for $7.99. I bought several of the 20 rounders and all work great, going to order some of the 30 rounds next week. |
| I am also having issues with a couple of the 20 rd pmags not locking the bolt back on the last round. I have a Stag model 3 shooting Lake City xm193. Both my USGI mags and my 30 rd pmags operate just fine. It is just the 20 rd pmags that have this issue. The bolt will lock back if manually charged but will not automatically on the last round. I cannot see this as a rifle issue since the other USGI and 30 rd pmags function properly. I did notice that the 20 rd pmags do not have the lastest "M" followers or the cover that will fit on the bottom of the mag. |
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PMAGS ARE GOOD TO GO I've seen this trouble when using the DPMS parts kit's Bolt catch. The DPMS both catch is TOO SHORT DPMS vs. COLT http://img.photobucket.com/albums/v488/derek45/AR/IMGP5694.jpg DPMS BOLT CATCH FAILS... http://img.photobucket.com/albums/v488/derek45/AR/IMGP5612.jpg REPLACED WITH COLT ... http://img.photobucket.com/albums/v488/derek45/AR/IMGP5695.jpg I have had the same problem with the first AR that I built. What I did was gently file the area to the right of the slot(on the mag) that the follower comes up to actuate the bolt catch. What I found was that the area to the right of the finger(on the bolt release/catch) was rubbing on the back of the mag. As we now have 3 more AR's that work 100% with our P-Mags both modified & unmodified I will now replace the bolt catch with a Colt one. It's easy to blame the P-Mag because we "believe" that there should be nothing wrong with our rifles. |
Magpul made a change to the P mag. The new "Foliage Green " follower doesn't come up as high as the older "Black" follower.I have been in contact with magpul. They sent me their newest follower. Which was the "Foliage Green", these did the same thing. Why companies keep fixing things that arn't broke baffles me.
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Magpul made a change to the P mag. The new "Foliage Green " follower doesn't come up as high as the older "Black" follower.I have been in contact with magpul. They sent me their newest follower. Which was the "Foliage Green", these did the same thing. Why companies keep fixing things that arn't broke baffles me. Depending on the vintage, there are Foliage Green colored PMAG followers that may or may not come all the way up to the feedlip. However, even if the follower does not come all the way to the lip, this will not affect bolt lock function in an AR15/M16. |
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Quoted: Quoted: Magpul made a change to the P mag. The new "Foliage Green " follower doesn't come up as high as the older "Black" follower.I have been in contact with magpul. They sent me their newest follower. Which was the "Foliage Green", these did the same thing. Why companies keep fixing things that arn't broke baffles me. Depending on the vintage, there are Foliage Green colored PMAG followers that may or may not come all the way up to the feedlip. However, even if the follower does not come all the way to the lip, this will not affect bolt lock function in an AR15/M16. The newest version of P-Mag followers are great! So far I have used them in several different platforms including the XCR and a Daewoo K1A1 and they have held the bolt open every time. |
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Well my brand new pair of 20RD pmags just sucked at the range today. On 2 AR15s by the way.
The bolt lock would not engage, but my trusty metal Brownells mags work just fine. Am I shooting rimfire or what?? Both guns are rebuilt using RRA lower part kits. I took the plastic mags apart and trimmed the corner away so the catch would work the mags properly. I fixed your problem with my pocket knife. I'll pass on PMAG in the future. 
See picture................ 
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It's easy to blame the P-Mag because we "believe" that there should be nothing wrong with our rifles. Please. RRA parts are junk but PMAGs are just great no mater if they work or not? 
PMAG needs a disclaimer on the package. PMAG products fit ONLY the following rifles and carbines listed below. Colt |
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It's easy to blame the P-Mag because we "believe" that there should be nothing wrong with our rifles. Please. RRA parts are junk but PMAGs are just great no mater if they work or not?
PMAG needs a disclaimer on the package. PMAG products fit ONLY the following rifles and carbines listed below. Colt 
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