P365 not locking slide back on last round (gen 1) **solved**

[KFhunter]

Kinda along the same lines, but is there any truth to magazine springs losing strength  by staying loaded for long periods?

   I've only owned a few auto pistols. I have a Glock 10mm, and 6 mags. 3 stay loaded. Every other week I swap mags.
 Is this unnecessary? Thank you sirs.

Yes, I've replaced all my G20 springs with +10% mag springs and load them fully minus 1 round.

I was having failures on the G20




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[Meatlover]

I'm upgrading my mags with +2 springs, follower and floorplate

Make them 12rd mags with same concealment factor as the factory 10 rd with finger tab.  Slightly longer than the factory flush bottom plate, but I prefer having a home for my pinky finger anyways. 



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I have a sig365 ms and I haven't had any issue with the slide so far.
Is there a reason you're getting the conversion to 12 rd mag instead of buying the 12 rd mag and still have that 10 rd to use? The price is almost the same. https://osagecountyguns.com/sig-sauer-mag-365-9-12.html

[KFhunter]

Its the same thing, and my 10 rd springs are shot so I won't run em anyways....

But mostly it's because you didn't post that quick enough lol