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11/29/2011 5:26:08 PM EDT
I'm sure it's been covered 1,000 times, but can't find any recent threads.

How many cycles do you run your AR mags through before you find them suitable for duty use?

11/29/2011 8:15:37 PM EDT
[#1]
Get a quality mag load it up and dont worry about it
11/29/2011 9:03:13 PM EDT
[#2]
Until YOU feel comfy with it.  I test mine for bolt hold open, drop free, and then shoot them a couple of times.  I have no doubt that any of my mags will serve me well, in any circumstance.  9080
11/30/2011 3:13:26 AM EDT
[#3]
Quoted:
Get a quality mag load it up and dont worry about it


Before trusting your life on a 13 dollar part, Id run at least one or two full loads down the pipe.

Do you really want to find out that mag had a flaw when you need it?
11/30/2011 3:38:50 AM EDT
[#4]
Number or mark them so you can tell them apart.
I usually load them up to capacity and shoot them off a few times.
Put a handful of rounds in it and shoot it empty to check the hold open a few times.
If any mag gives me fits it gets pulled out for inspection to determine if it was ammo or mag related.
Ammo related, it gets another try.  Mag related, goes bye-bye.

I usually rotate through 7 different primary mags for my shooting activities.
11/30/2011 3:40:47 AM EDT
[#5]
Quoted:
Quoted:
Get a quality mag load it up and dont worry about it


Before trusting your life on a 13 dollar part, Id run at least one or two full loads down the pipe.

Do you really want to find out that mag had a flaw when you need it?


+1, or that if something pushes back on the mag it nose dives the rounds into your barrel extension?

As you are shooting push, pull, twist the mag to make sure it feeds while in the lower in any position.
11/30/2011 10:18:34 AM EDT
[#6]
I have alot of mages and I just keep rotating them. I must be lucky because for years of doing this I have never had a bad one.
11/30/2011 10:31:14 AM EDT
[#7]
Quoted:
I have alot of mages and I just keep rotating them. I must be lucky because for years of doing this I have never had a bad one.


I have had bad mags in a lot of milspec mags.  Sometimes it is a small flaw that can easily be cleaned up.  


There are many board members who bought mags that are not milspec, just because they were pretty and had a big contributor name on them. I tested my lot of those mags, and their warranty replacements, with a high failure rate on both lots.

Lucky can equate to tombstone courage.  Test your mags.

12/1/2011 6:05:08 PM EDT
[#8]
Quoted:
Until YOU feel comfy with it.  I test mine for bolt hold open, drop free, and then shoot them a couple of times.


Pretty much this.

Whenever I get new mags, I test them at home unloaded for locking in/seating properly, bolt hold open, drop free etc. though I firmly believe that one should never trust a mag to drop out on it's own, and that one's manual of arms should instead include stripping the mag.

Then when I can actually shoot with them to fully test them, my personal minimum is to load them to full capacity, and shoot them, at least twice.

Similarly, I have to shoot a bare minimum of 100-200 rounds of any new ammo I buy, before I would be comfortable trusting my life with it. Fuck, I had shot 120rds of ATI SS109 ammo without problems, bought some more, and then at a later date when I shot that stuff again, in the first mag full, I had a severe FTE that hard-locked the entire action, and once I finally got the rifle apart had to POUND the stuck case out with a cleaning rod.

Even the best quality manufacturers, (of ANYTHING) even if only very rarely so, will turn out lemons sometimes, and it is absolutely crucial to test ANY gear that you might trust your life with, BEFORE you actually do so, otherwise you are flirting with disaster.
12/12/2011 3:36:45 PM EDT
[#9]
Quoted:
Get a quality mag load it up and dont worry about it


With so called "Quality" magazines I find plenty of new mags that either do not drop free or result in failures to feed. Until some magazine manufacturer decides to actually test fire every new mag prior to shipment I will continue to tests new mags before using them for any purpose where reliability is a concern.
12/12/2011 3:38:17 PM EDT
[#10]
Quoted:
Quoted:
I have alot of mages and I just keep rotating them. I must be lucky because for years of doing this I have never had a bad one.


I have had bad mags in a lot of milspec mags.  Sometimes it is a small flaw that can easily be cleaned up.  


There are many board members who bought mags that are not milspec, just because they were pretty and had a big contributor name on them. I tested my lot of those mags, and their warranty replacements, with a high failure rate on both lots.

Lucky can equate to tombstone courage.  Test your mags.



Sounds like we bought some of our mags from the same company with simular experiances.
12/12/2011 5:53:27 PM EDT
[#11]
Quoted:
Quoted:
Get a quality mag load it up and dont worry about it

With so called "Quality" magazines I find plenty of new mags that either do not drop free or result in failures to feed. Until some magazine manufacturer decides to actually test fire every new mag prior to shipment I will continue to tests new mags before using them for any purpose where reliability is a concern.

FYI we individually gauge each and every PMAG during assembly (100% inspection) to drop free from the Colt M16 magwell.  Also, mis-feeding PMAGs are actually extremely rare with a return rate of less than 0.0020% (< 2 per 100,000) on average.  Not perfect, but they tend to do pretty good right out of the bag.
12/12/2011 6:05:01 PM EDT
[#12]
Quoted:
Quoted:
Quoted:
Get a quality mag load it up and dont worry about it

With so called "Quality" magazines I find plenty of new mags that either do not drop free or result in failures to feed. Until some magazine manufacturer decides to actually test fire every new mag prior to shipment I will continue to tests new mags before using them for any purpose where reliability is a concern.

FYI we individually gauge each and every PMAG during assembly (100% inspection) to drop free from the Colt M16 magwell.  Also, mis-feeding PMAGs are actually extremely rare with a return rate of less than 0.0020% (< 2 per 100,000) on average.  Not perfect, but they tend to do pretty good right out of the bag.


I agree that the current PMAG might be the most likely to prove reliable out of the box of any magazine. Though the first order of 7 or so i received didnt feed. If they stacked better in mag pouches and dropped free from a greater variety of non-Colt lowers I probably would have made the switch to PMAGs from Aluminum mags.
12/13/2011 12:55:20 PM EDT
[#13]
Quoted:
Quoted:
Until YOU feel comfy with it.  I test mine for bolt hold open, drop free, and then shoot them a couple of times.


Pretty much this.

Whenever I get new mags, I test them at home unloaded for locking in/seating properly, bolt hold open, drop free etc. though I firmly believe that one should never trust a mag to drop out on it's own, and that one's manual of arms should instead include stripping the mag.

Then when I can actually shoot with them to fully test them, my personal minimum is to load them to full capacity, and shoot them, at least twice.

Similarly, I have to shoot a bare minimum of 100-200 rounds of any new ammo I buy, before I would be comfortable trusting my life with it. Fuck, I had shot 120rds of ATI SS109 ammo without problems, bought some more, and then at a later date when I shot that stuff again, in the first mag full, I had a severe FTE that hard-locked the entire action, and once I finally got the rifle apart had to POUND the stuck case out with a cleaning rod.

Even the best quality manufacturers, (of ANYTHING) even if only very rarely so, will turn out lemons sometimes, and it is absolutely crucial to test ANY gear that you might trust your life with, BEFORE you actually do so, otherwise you are flirting with disaster.



Same here. Sometimes I've resorted to loaning out new magazines to someone going through our patrol rifle range day. That way someone else can shoot their ammo, and my mags get tested.

I also choose only known high-quality magazines for duty use, and I carefully inspect each one for defects before I even load them.
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