Is 30 year old ammo still good?

Yes, 30-year-old ammunition can still be good if stored properly in cool, dry conditions, but you must inspect it carefully for corrosion, damage, or a loose bullet, as degraded powder can lead to dangerous squib loads (bullet stuck in barrel) or inconsistent performance, making a test fire at a range crucial before relying on it.
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Is 30 year old ammunition still good?

Barring corrosion, breakdown of the powder, stabilizers, or primers, or damage to the cartridge, 30 year old ammo is generally just as good as today's - though it may be a bit dirtier than what we shoot today.
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Is 40 year old ammo still good?

Ammo can stay good over 100 years if properly stored. 40 year old ammo should be fine even if it was only decently stored.
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How long before ammo goes bad?

Ammunition doesn't truly "expire," but its performance degrades over time, potentially lasting decades or even a century with ideal cool, dry, stable storage (50+ years), but only a few years in poor conditions (heat, humidity). Modern ammo in good storage (airtight containers, silica gel, 50% humidity, stable temp) can last 10-20+ years reliably, but always use ammo taken out for field use first, as heat and moisture are its biggest enemies.
 
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Can ammo last 50 years?

With the right storage conditions—cool, dry, and stable—it can last for decades, sometimes even up to 50 years or more. However, poorly stored ammo exposed to moisture or extreme temperatures can degrade much faster. If you take care of your ammunition, it will be there for you when you need it.
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Ammo -- How Old is Too Old?

How to know if ammo has gone bad?

Before you buy, always inspect the ammo carefully. To spot bad ammo, look for dents, corrosion, or signs of poor sealing.
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Do bullets have a lifespan?

Bullets don't truly "expire," but their components (primer, gunpowder) can degrade over time, especially with poor storage, reducing performance or causing failure, though properly stored modern ammunition can last decades. While manufacturers often list a 10-year date for liability, issues arise from moisture, extreme heat, or physical damage, leading to misfires, squibs (stuck bullets), or worse, so always visually inspect old ammo for corrosion or damage and test it carefully.
 
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What's the shelf life for ammo?

What's the shelf life of ammo? Modern ammo is made to last over a decade (and possibly up to twenty years), provided you stick to proper storage practices.
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Can you vacuum seal bullets?

Vacuum Sealing - Utilizing a vacuum sealer is a convenient and easy method for storing your ammunition, whether it's loose or still in its original boxes. By placing your ammo in a high-quality vacuum sealer bag and removing the air, you can further enhance preservation.
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Can you shoot rusty ammo?

Hangfires and squib loads are both dangerous as they can cause the gun to rupture or the shell to explode unexpectedly! Due to the risks of misfires, we suggest discarding shells that show corrosion around the primer. Minor corrosion around the brass head can be handled with a wire brush or steel wool.
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Will ammo go off in a house fire?

Yes, ammunition can "go off" in a house fire due to extreme heat, causing the gunpowder to ignite, which can burst casings and propel bullets/fragments unpredictably, posing significant danger to firefighters, especially rounds stored in a loaded firearm where they can "cook off" like being fired. While loose ammo usually just burns or pops loudly without the focused force of a gun, sealed containers or loaded guns create a more dangerous pipe-bomb effect, so proper, separate, fire-resistant storage is crucial.
 
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What is the lifespan of 9mm ammo?

9mm ammo can last for decades if stored properly (cool, dry, sealed), but manufacturers often suggest rotating defensive ammo every 10 years as gunpowder degrades slowly, potentially causing misfires or weak shots; casual or poor storage (hot car, high humidity) shortens its life significantly, so always inspect for rust or damage before use, especially for critical situations. 
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What are you supposed to do with old bullets?

Surrender to Local Law Enforcement

Nearly all police departments in California accept 'personal use' amounts of ammunition from the public, ensuring its safe destruction or repurposing for training.
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Can police dogs smell through vacuum sealed bags?

While vacuum bags are excellent at preventing odours from escaping, they are not foolproof against contamination. If the outside of the bag is contaminated with substances, drug dogs may still detect the smell. However, in a controlled environment with no contamination, odour-proof vacuum bags can be highly effective.
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Where not to store ammo?

Ammo should be stored in airtight containers and labeled clearly. Never store ammunition in your vehicle long-term, or anywhere it could be exposed to heat cycling or humidity. Most people recommend storing firearms and ammunition in separate, secure locations.
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Will a 5 gallon bucket of sand stop a bullet?

Like others have mentioned sand is very good at stopping bullets. A 5 gallon bucket of sand will stop just about any common caliber. One big benefit not yet mentioned is that it will stop lots of bullets before failing.
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How do you know if ammo is bad?

Check the Expiration Date

Inspecting the overall appearance of the rounds is a great place to start. Look for any corrosion, discoloration, or damage on the brass casings. If the ammunition has been properly stored in a dry and controlled environment, it will likely remain in good condition even for extended periods.
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Can ammo last 100 years?

Ammunition doesn't come with an expiration date, but how long it lasts depends on storage conditions, environmental factors and the type of ammo. Properly stored rounds can remain functional for decades or even centuries, while poor storage can cause degradation in just a few years.
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Does ammunition go bad with age?

Yes, ammo has a shelf life, but properly stored modern ammunition can last for decades, even indefinitely, with moisture being the biggest enemy; while some suggest 10 years, it's more about storage conditions (cool, dry, stable temps) and inspecting for rust, corrosion, or damage, as humidity and extreme temperature swings degrade it faster, potentially causing misfires or failures, though you can fire ammo over 100 years old with good results if stored well. 
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Is 20 year old ammo still good?

Yes, 20-year-old ammunition is often still good, especially if stored in cool, dry conditions, but its reliability depends heavily on storage quality; inspect carefully for corrosion, dents, or loose bullets, as moisture can degrade powder and primers, potentially causing squib loads (stuck bullets) which are dangerous, so discard any damaged rounds. Modern ammo can last decades if kept well, but poor storage is the biggest enemy. 
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Can old bullets go off?

Yes, bullets can eventually go bad.

If you look carefully at your box of ammo, you'll see that most manufacturers put an expiration date of 10 years on their rounds. However, the vast majority of bullets will last a lot longer than that.
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Is it safe to tumble loaded ammo?

You can tumble loaded ammo, as commercial loaders do it briefly for appearance, but it's generally not recommended for hobbyists due to potential risks like altering gunpowder's burn rate by breaking kernels or rubbing off coatings, which could increase pressure; if you must, use short, gentle dry tumbling for minimal cleaning, but wet tumbling or prolonged tumbling is risky, and simply wiping with a rag is safer. 
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Are 30 year old bullets still good?

Utilizing old ammunition introduces a multitude of risks. Over time, elements like the gunpowder, primer, and casing can degrade, potentially resulting in unreliable or unsafe results when fired. When using aged ammo, shooters might encounter issues such as misfires, hangfires, or the particularly perilous squib loads.
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What happens if you shoot expired ammo?

Most often, this issue with old ammo is that the primer has gone bad due to moisture. When this is the case, the ammo will simply not fire. Another scenario is that the round's gunpowder may lose its power overtime, leading to an undercharged round. This could result in a squib load.
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Are 40 year old shotgun shells still good?

That's a rather simple and straightforward answer, and Federal is no doubt using ten years as a conservative estimate of how long a shotshell would last. If you like, you can use that standard yourself, clinging to the decade policy.
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