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Keeping a Loaded Mag...

This is a discussion on Keeping a Loaded Mag... within the SIG Sauer Pistols forums, part of the SIG Sauer Forum category; I recently purchased an SP2022 in .40, primarily to be used for home defense. It only came with one 10 rd. magazine. I like to ...


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Old 01-22-2013, 02:25 PM   #1
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Keeping a Loaded Mag...

I recently purchased an SP2022 in .40, primarily to be used for home defense.
It only came with one 10 rd. magazine.
I like to keep the weapon with a loaded mag in the grip, in an electronic safe next to my bed for quick access in case of an emergency.

My concern is that the keeping the mag spring compressed over a long period of time will weaken the spring and diminish its ability to feed properly. Ideally I would have 2-3 mags and cycle them out as my "ready for action" magazine, but as you all know there is a somewhat of a drought in the mag market these days.

How long can I continue keeping this magazine jam-packed with hollow points before I have to worry about it affecting the performance? I work in the metals industry, so common sense tells me that the spring WILL lose tension/compression(?) eventually. I'm just not sure how long these things are built to last.

Any information or advice would be greatly appreciated.
Thank you in advance for your time.
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Old 01-22-2013, 02:32 PM   #2
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keeping it loaded doesn't weaken the spring but loading/unloading does.

i change-out monthly.
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Old 01-22-2013, 02:32 PM   #3
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Very good question, Castle. I look forward to answers...

Steve

P.S. I am wrestling with the whole "home defense" idea also. Not sure how to keep the gun ready to be used if necessary, and yet safe, at the same time...
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Old 01-22-2013, 02:34 PM   #4
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They will keep much longer than you think! I've also heard that its the cycling that wears them out and not the act of keeping a loaded mag.

With that said, I tend to load one less than the mag will hold to keep it from having too much tension.
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Old 01-22-2013, 02:42 PM   #5
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I change out my loaded mag every 4-months.
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Old 01-22-2013, 02:45 PM   #6
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Quote:
Originally Posted by bearone2 View Post
keeping it loaded doesn't weaken the spring but loading/unloading does.
^This.

Prolonged compression of a spring does not impart wear; wear is a consequence of repeated cycles of compression/decompression.

Storing your mags loaded is fine for your mag springs.
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Old 01-22-2013, 02:54 PM   #7
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Quote:
Originally Posted by steveg View Post
Very good question, Castle. I look forward to answers...

Steve

P.S. I am wrestling with the whole "home defense" idea also. Not sure how to keep the gun ready to be used if necessary, and yet safe, at the same time...
I spent a good amount of time deciding on my "system" as well. I considered that a safe was non-negotiable, even though I only live with my girlfriend. You could end up with someone snooping around your residence in a variety of seemingly normal situations, and the last thing I would ever want is for someone to mistakenly hurt/kill themselves/others with my firearm. I feel comfortable keeping it loaded, but with a few solid safety measures that stand between the unwanted handler and a firearm that's "ready to go".

Quote:
Originally Posted by DBS View Post
^This.

Prolonged compression of a spring does not impart wear; wear is a consequence of repeated cycles of compression/decompression.

Storing your mags loaded is fine for your mag springs.
...seems like ^This is actually common sense. Noted. Thank you very much for the advice.
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Old 01-22-2013, 03:00 PM   #8
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I store all my magazines loaded.
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Old 01-22-2013, 03:14 PM   #9
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I rotate, but nothing lasts forever. Springs are replaceable.
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Old 01-22-2013, 07:53 PM   #10
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The springs last a VERY long time. You can tell when they begin to wear by how they perform at the range (after years and years). Then merely replace the spring easily ordered on line. For you guy's who just throw out your mag's, please PM me and I'll pay the shipping to get your OLD MAGS. I'm just trying to do my part for the environment.
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Old 01-22-2013, 08:02 PM   #11
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When you store loaded magazines, do you load to the full 10 or load less? I used to keep my glock 17 (pre-ban CA) loaded with 10 out of 17 rounds, but my CA legal P226 only holds 10 rounds
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Old 01-22-2013, 09:20 PM   #12
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I load my Sigs with 10 rounds (CA limit) and then rack the slide leaving 9 in the magazine. Don't know if it really makes a difference, but I figure not placing the spring under maximum pressure will extend it's life.
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Old 01-23-2013, 05:46 AM   #13
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I read somewhere you you can stretch them out a bit and bake them in an oven at 350 for 30 minutes to retemper them. I'm not sure if this really works and if that heat is high enough to do the job, but I have done it. I rotate my mags every month but probably don't have to do it
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Old 01-23-2013, 05:52 AM   #14
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The modern consensus is that mag springs do not wear out appreciably by leaving the magazine fully loaded or partially loaded. There are true stories of fully loaded 1911 magazines being found that were over 60 years old and when inserted into a firearm shot flawlessly.
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Old 01-23-2013, 05:57 AM   #15
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Quote:
Originally Posted by steveg View Post
Very good question, Castle. I look forward to answers...

Steve

P.S. I am wrestling with the whole "home defense" idea also. Not sure how to keep the gun ready to be used if necessary, and yet safe, at the same time...


You might consider the option of a Speed Vault 500 by Gun Vault. I wrote about it in this thread:Small gun safes..
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