From time to time, we get customers who bring in some pretty old ammunition–decades old. Sometimes it works, sometimes it doesn’t. Typically, if the ammunition shows no signs of rust, corrosion, physical damage to the case, bullet or primer, it has a pretty good chance of going BANG.
One of the most popular ammunition companies–Federal Ammunition–states: “Store reloading components and ammunition in a cool, dry place, protected from direct exposure to sunlight. If stored properly, loaded ammunition has a 10-year shelf life. “