owner of wolff gun springs once told me that if built with modern high quality springs, they can be left loaded forever
owner of wolff gun springs once told me that if built with modern high quality springs, they can be left loaded forever
you load one down and leave them and they will be as good as new. Have used mags loaded for over a decade that ran like brand new
The only thing I've noticed with polymer mags is that if you leave them loaded for a long time, like months to a year, they will bulge, and the stack can kind of spread and jam up. The only problem this has caused me is trying to load a mag on a closed bolt. If the mag has bulged and you try to slam it on home, it gets jammed up and won't seat because the stack shifts and binds up in there somehow. If that happens, all you have to do is slam the mag down on its butt and the rounds will right themselves.
Because of discovering that issue, I have switched to metal mags. I only use Okay Industries GI mags with the tan follower. They are hard to find, but they do come up from time to time as Colt branded mags (which are actually just rebranded Okay mags). The bulging issue combined with the possible feedlip issue has just really turned me off of polymer AR mags.
I'm in year 20 of carrying a handgun on my belt and have never changed the springs in my duty mags.
I have mags that been loaded constantly with ammo since 2007 with no issues. I think you’ll be fine
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