This was just discussed on "Shooting Illustrated".
https://www.shootingillustrated.com/articles/2019/8/12/how-long-can-your-keep-your-maga...
The bottom line from the article comes from its first sentence:
"
Even when kept fully compressed, a magazine spring will retain its energy long past the operational life of the ammunition.
"
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Probably been beat to death, but
- Tom, 2019-08-20, 08:22
![[*]](themes/default/images/complete_thread.png "Open whole thread")
- I have had one go bad - Bryant, 2019-08-20, 21:02
- Leavings Magazines Loaded - Burban, 2019-08-20, 12:27
- JEFF COOPER SETTLED THIS A LONG TIME AGO - JT, 2019-08-20, 09:38
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It is often asked. Not Gary , but I think it probably does
- SPB, 2019-08-20, 09:33
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I am sure I mentioned this before but I will bore
- Gary Reeder, 2019-08-20, 10:03
- Consider valve springs in your car engine - Jim Taylor, 2019-08-20, 10:10
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I am sure I mentioned this before but I will bore
- Gary Reeder, 2019-08-20, 10:03