Ammo would be fine with gradual temperature swings as long as condensation is not an issue.
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New house will need floor joists about 10" on-center.
While waiting for our house to sell (it did, finally) and planning a move, I've worked at two large LGS's.
I now need a Conex box, maybe two, to house the ammo I've somehow accumulated.
New house will need floor joists about 10" on-center.