In terms of shelf life, ammunition generally doesn’t expire or go bad. Many manufacturers will list an expiration date of ten years past the manufacturer date, but that’s more for legal reasons than it is for safety reasons. If it’s stored correctly, then there’s no real known limit to how long you can keep ammunition.
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- Do bullets have a shelf life? Kept in a climate controlled, secure location, away from unauthorized personnel, these containers will preserve the ammunition indefinitely. The reason there is no expiration date on a box of currently manufactured ammunition is because, when stored properly, it is projected to have an unlimited life span.