Following up on my recent article about long term ammunition storage, I would like to make a few comments about the “first in, first out” ammo storage method:
Ideally, one should use a “first in first out” method of using/storing ammo. That means that the oldest ammo should be used first, and newly acquired ammo used last. That keeps the ammo stockpile as fresh as possible. However this isn’t always the ideal approach, since some ammo is more valuable than other ammo, and taking ammo in and out of long term storage may do more harm than good.
As an example, I just bought many boxes of the rather expensive Corbon DPX .40 S&W hollowpoint ammo to store in ammo cans. I use these rounds for my concealed carry pistol, but (obviously) not for regular target practice, since doing so would waste quite a bit of money. I also have this ammo sealed in an ammo can, which I don’t really want to open, since I would then have to add in new desiccant and oxygen absorber packets. Since this ammo is sitting in a temperature controlled, very low humidity, and virtually oxygen free environment, I’m willing to bet that it is better off sitting there unopened than if I were to cycle the older ammo out and replace it with new ammo. Therefore, that ammo will sit in those ammo cans for quite some time – whether or not I acquire any new Corbon DPX ammo in the mean time.
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