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Posted: 3/28/2017 10:05:07 PM EDT
[#1]
Sounds like a bad bolt catch or weak ammo
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Posted: 3/28/2017 10:10:14 PM EDT
[#2]
Manually cycling the bolt, so not an ammo issue. I am having a hard time believing there is anything wrong with the guns when all of the 60+ AL mags work fine.
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Posted: 3/28/2017 10:14:30 PM EDT
[#3]
My family only uses gen2 pmags. Never had that problem in any of our rifles.
Do you have a friend with a different rifle you can try them in? |
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Posted: 3/28/2017 10:15:03 PM EDT
[#4]
Never had an issue in any of my various AR's.
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Posted: 3/28/2017 10:44:42 PM EDT
[#5]
I find that the bolt catch takes more pressure to release on PMAGs than GI magazines. I just use GI; they work and are half to a third the price if I buy surplus Colt/Okay magazines.
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Posted: 3/28/2017 10:48:52 PM EDT
[#6]
If your manually cycling them, have to tried actually shooting them?
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Posted: 3/29/2017 9:57:30 AM EDT
[#7]
Quote HistoryQuoted:
I find that the bolt catch takes more pressure to release on PMAGs than GI magazines. I just use GI; they work and are half to a third the price if I buy surplus Colt/Okay magazines. |
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Posted: 3/29/2017 9:59:15 AM EDT
[#8]
Sold them for what I paid, I'll just stick to the AL mags.
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Posted: 3/29/2017 10:22:52 AM EDT
[#9]
Quote HistoryQuoted:
Where are you getting Colt/Okay surplus for $4? |
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Posted: 3/29/2017 5:07:23 PM EDT
[#10]
Quote HistoryQuoted:
$5. 2nd Street Army Surplus in Lebanon, MO. |
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Posted: 3/30/2017 10:11:56 AM EDT
[#11]
Quote HistoryQuoted:
That's below their value. Hope you bought them all. USED Colt marked mags sell all day long at $15. |
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Posted: 3/30/2017 2:06:08 PM EDT
[#12]
This is a known issue. Some of the PMAGs had followers that would not engage the bolt catch on some rifles, like the older Colts. My 16 predates 86, and the Rock River is mid 90s. There is an updated bolt catch to address the out of spec followers. From what I have read, it's a fairly uncommon problem.
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Posted: 3/30/2017 2:09:03 PM EDT
[#13]
Quote HistoryQuoted:
if you bought more than you needed.   That NEVER happens!
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Posted: 4/1/2017 7:21:58 AM EDT
[#14]
Quote HistoryQuoted:
That NEVER happens! |
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Posted: 4/1/2017 10:12:23 PM EDT
[#15]
sounds like a bad bolt catch or buffer spring are you using a hydraulic buffer
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Posted: 4/3/2017 11:13:01 AM EDT
[#16]
I've never had an issue with a M2 PMag. IMO there's something else going on vs. the mag.
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Posted: 4/3/2017 3:59:22 PM EDT
[#17]
All I use is gen 2 pmags and a couple emags. Never had an issue. Never.
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Posted: 4/16/2017 6:38:13 AM EDT
[#18]
Quoted:
Picked up 10 MOE M2 PMAGs, they will not hold the bolt open in my RR Colt, or the Rock River. They will hold the bolt open on my old Colt from the 90s though. Is this a known issue? Probably just dump them and move on. Jason This was a common problem in the mid/late 2000's. If you do some google searching you can find pictures of the differences in various bolt catches. The Colt catch of that era had a slightly longer nose. the other suppliers often had a slightly shorter nose. It's usually only a problem on some rifles due to tolerance stacking with the bolt catch and magwell coupled with Pmags. Most other mags won't have the problem with the shorter nose catch, just Pmags. Some guys bought Colt catches and others bought 9mm catches and ground the nose shorter to work reliably with the Pmags...or just stopped using Pmags. advntrjnky |
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Posted: 4/17/2017 8:50:55 PM EDT
[#19]
I installed the Aero PDQ to a lower and have the same result with my M2 PMAG not holding the bolt. All my other mags (M3 Pmag, Lancer, and GI) work without issue.
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Posted: 4/19/2017 10:09:45 AM EDT
[#20]
I got rid of all my Gen1, Gen2, and M2 Pmags. I use USGI, Troy battle mags, and parked SA80 steel mags with CMMG SS followers. I plan on trying some M3 Pmags and Lancer soon. I fully admit that the problem is with my lowers and not the Pmags I've owned in the past. I've found it easier to get rid of the mags than track down/ fix the tolerance stacking issues.
advntrjnky |
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Posted: 4/19/2017 10:25:41 PM EDT
[#21]
Gen2 Pmags are my go-to. Zero issues in the 100 I have opened and used
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Posted: 5/3/2017 6:20:03 PM EDT
[#22]
My ar will not lock back after the last round with gen 2s tried different brands of ammo and nothing, gen 3s are fine and so are gi mags.
It has an Aero Precision upper, makes me wonder if that has something to do with it. The fact it is an 18 inch rifle gas on a carbine buffer probably is the issue. |
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Posted: 5/4/2017 5:06:58 AM EDT
[#23]
Quote HistoryQuoted:
My ar will not lock back after the last round with gen 2s tried different brands of ammo and nothing, gen 3s are fine and so are gi mags. It has an Aero Precision upper, makes me wonder if that has something to do with it. The fact it is an 18 inch rifle gas on a carbine buffer probably is the issue. advntrjnky |
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Posted: 6/3/2017 3:44:29 PM EDT
[#24]
All my 21 training mags are Gen2 Pmags. After many thousands of rds, none have failed to lock the bolt back either manually or when shooting.
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Posted: 6/4/2017 11:15:07 AM EDT
[#25]
The MOE Pmag black with no window is my favorite magazine ever. Quality GI a close second.
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Posted: 6/4/2017 11:24:47 AM EDT
[#26]
Quote HistoryQuoted:
All I use is gen 2 pmags and a couple emags. Never had an issue. Never. |
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Posted: 6/4/2017 12:03:57 PM EDT
[#27]
It's gotta be your guns. I only use gen2 pmags when I train, and I've never had an issue with one. They just flat out work and I would trust my life to them no problem.
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Posted: 6/4/2017 12:07:21 PM EDT
[#28]
I have issues with the M3 in a few guns, but the M2 has always been GTG.
Try Lancers, I like them better anyway. |
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