Do bullets expire?

Ammunition doesn't “expire” per se, but the gunpowder looses potency over time. The largest risk to shooting old ammunition isn't a failure to fire, it's the risk that you will actually fire the shot and it doesn't have enough momentum to make it out the barrel.
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Are 30 year old bullets still good?

Generally, yes. If factory centerfire cartridges are stored in a dry, cool place with low humidity, preferably in an airtight container, they can have an amazingly long shelf life. Many ballistics experts who have shot tens of thousands of rounds over the years report shooting 20- to 50-year-old ammo with no problems.
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Does a bullet 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.
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How long is unused ammunition good for?

Ammunition isn't a perishable good - if stored correctly, it can last almost indefinitely. Whether it was stored correctly or not is another matter. Ammunition isn't like the still-edible 5000-year-old honey found in Egyptian tombs; ready to eat and spread on toast.
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Do bullets spoil?

Ammo does go bad with age. More specifically, ammo will lose its effectiveness over time. There could be any number of reasons for ammo going bad, such as rusting bullets, powder that won't burn, corrosion on casings due to humidity, etc. It's recommended to replace your ammo every decade or so.
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Does Ammunition Expire?



How much ammo should I stockpile?

A good rule of thumb is to consider a 500-round stash your starting point for your handgun. That might seem high but it does go fast. Of those 500 rounds at least 150 should be defensive, not target rounds. If you can afford to stash mostly defensive ammo, do it.
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Why is there still an ammo shortage?

With more Americans owning guns, more people need ammunition. Even though ammo manufacturers have ramped up production to match demand, bullets are still scarce.
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How long can you leave ammo in magazines?

Some ammunition manufacturers recommend rotating service-related ammunition as little as every six months. By following that guide line, magazines would remain fully loaded a maximum of six months before being unloaded and reloaded.
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Can ammunition go off in a fire?

In a structure fire, the heat produced during the burn activates and causes the bullets to explode; the larger the caliber of the bullet, the more explosive potential.
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Does ammo have a manufacture date?

The vast majority of ammunition is marked at the time of manufacture for internal (proper safety, quality control and record-keeping) and external requirements (clients' demands based on regional or national requirements).
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Do 9mm bullets expire?

Ammunition doesn't “expire” per se, but the gunpowder looses potency over time. The largest risk to shooting old ammunition isn't a failure to fire, it's the risk that you will actually fire the shot and it doesn't have enough momentum to make it out the barrel.
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Do bullet primers expire?

U.S. Patent 5773748 shows one way the explosive component of the primer could be rendered inert over a period of time. Right now, properly stored ammunition keeps indefinitely and you can find bargains on bulk ammo that was made 50-years ago or more.
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Can stored ammo explode?

“When a fire comes through and when that ammunition gets super heated to ignite, if it's stored in a steel container, that can create quite an explosion within the steel container.” And the the container itself can become dangerous bits of shrapnel, in addition to the bullets and casings.
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What happens if you shoot old ammo?

Ammunition loaded and chambered into a carry firearm is exposed to temperature variations, cleaning solvents, lubrication, and lots of movement (which, over time, may deactivate primers). Older ammunition will probably fire, but don't bet your life on it.
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Can bullets explode if dropped?

Likelihood of a Cartridge Going Off

When this happens, the bullet will land in a way that prevents the impact from being sufficiently forceful to cause the bullet to fire. Significant impact to the primer would be needed to cause it to discharge. This is extremely unlikely to happen from it simply being dropped.
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Can a bullet explode in an oven?

Bullets can explode with lethal force if they are stored inside a hot oven.
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Can ammo be stored on its side?

Ammunition Should Also Be Stored Horizontally

So what does wine have to do with shooting? Well, it may surprise you, but over time, our cartridges can spoil, just like wine can — though not for the same reason.
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Should you carry with a round in the chamber?

Modern carry pistols are almost always designed to be carried with a round in the chamber. Check with your manufacturer to be sure, but it's a rare defensive pistol that's not designed with drop safeties and other internal and external features to prevent negligent discharges.
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Is it bad for the spring to leave a magazine loaded?

Using the spring (loading and unloading the magazine) frequently will cause it to wear out as well. But if you're using it a lot, you'll be able to tell when the spring starts to weaken because the rounds will be much easier to load, and the gun will eventually start experiencing malfunctions at the range.
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What is the hardest ammo to find right now?

He says the hardest ammo to get right now is the 7MM 08, 270, and 243. “If you can find it, yes it is a good time to buy.
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Which ammo is easiest to find?

Rifle ammunition is the most available. Averaging the five dealers, 3.5% of their total selection was in stock when we checked last week. If you think that's depressing, it gets worse. Only 2% of handgun ammo was available, 1.7% of shotgun ammo, and 1.2% of rimfire ammo.
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Is ammo coming back?

For 2022, Blazer will offer 115-grain FMJ 30 Super Carry ammunition in 50-round boxes. The ammo comes with high-quality reloadable brass cases and reaches a muzzle velocity of 1,150 feet per second, making it a reliable and affordable training load for the new 30 Super Carry cartridge.
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How much ammo do Navy SEALs carry?

Standard issue combat vests carry 6 mags, the rifle will already have 1 in it - 7 mags is standard loadout, but as several people indicated, there could be a few more tucked away in buttpacks, etc.
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How many guns should a prepper have?

A good rule of thumb is to have 7 times the amount of ammo the weapon's magazine holds. So if your AR magazine holds 30 . 223 rounds you'll want to have 210 defensive rounds for immediate access. This is a standard loadout for the US Army and is the minimal accepted quantity a prepper should attain.
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