A good rule of thumb is to make sure your ammunition is always stored somewhere below 150 degrees Fahrenheit. That's easy enough to do if you keep your ammo locked away in gun safes, but every now and then you might find a box of ..
Keeping this in consideration, what temperature can Ammo be stored at?
A general rule of thumb for ideal storage temperatures is between 55°F and 85°F. According to SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) standards, extreme high temperatures (over 150° F) should be avoided.
Similarly, can you store ammo in a hot garage? The garage isn't a good place to store your ammo because of the heat and temp swings from day/night and day to day. It's not that your ammo is going to ignite, because the flash point is much higher than the garage will ever get. But the temps can cause some deterioration of the compounds binding the powders together.
In this way, can bullets be stored in cold?
When the Winter months hit, the last thing you want to do is expose your ammo to freezing cold temperatures. While ammo cans will help keep the cold away from your rounds, it is still best to store your ammo at room temperature. Common places of storage include basements, garages, and well-insulated storage sheds.
Does temperature affect ammunition?
It was known for a while that cold ammunition does not perform as well as ammunition at a warmer temperature. The higher the temperature of the ammunition, the higher the velocity of the bullet. Of course, the increase in velocity is also accompanied by an increase in the chamber pressure.
Related Question Answers
Is it bad to leave your gun in the cold?
It will not hurt your gun to be in the cold. Yes condensation can and will happen with the heat & freeze cycles. Although most gun oils will protect it just fine. Keep a soft padded zip up type pistol case in the car in the cold and put the pistol in it before you take it in the house.Is it OK to store ammo in a gun safe?
Humid temperatures can be a primary cause of deterioration of ammunition. Keeping your ammo stored in a gun safe uncovered for a few days can help extract excess moisture and prime it. Make sure there is no moisture in ammo cans before sealing and storing the ammo.Is it OK to store loose ammo in ammo cans?
Just to be safe, stick with a storage location that's properly ventilated. Many people actually seal their ammo in plastic containers to add an extra level of protection. They can also easily store boxes of ammo, instead of just loose rounds.Is it OK to leave gun in hot car?
Only in very rare circumstances could car temperatures reach more than 150 degrees; somewhere between 120 and 140 degrees is about as hot it will get in there. In other words, leaving a pistol and ammunition in a hot car is safe, but it can damage ammunition if done for too long.Does ammo go bad with age?
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.Is it OK to keep a magazine loaded?
When left loaded to full capacity and not used, most magazines will very slowly lose some amount of spring tension over time. That's where you unload your magazines and let them “rest” for a while, and switch to a second set of magazines to keep loaded for the next cycle.How long can I store ammunition?
ten years
At what temp do bullets explode?
Lead melts at 621 °F. Nitrocellulose ignites at around 320-338 °F. Gunpowder ignites at 801–867 °F.Do bullets freeze?
Storage Temperature Range for Ammo Temperatures can become extreme in the winter and summer months and affect the nitrocellulose in your gun powder. Reversely, freezing temperatures may not lead to a loss of powder in your cartridge, but it has a large possibility of changing the ballistic performance of your bullets.Can you store a gun in a bank safe deposit box?
Getting a Safe Deposit Box The bank will almost certainly not allow storing ammo. Safe deposit boxes are usually pretty small, big enough for a handgun, but not for larger firearms. You probably won't be able to store it along with its safe in your deposit box.Can you leave ammo in a cold car?
While the temperature outside may not reach that high, places like the inside of your vehicle have the potential to. Reversely, freezing temperatures may not lead to a loss of powder in your cartridge, but it has a large possibility of changing the ballistic performance of your bullets.What happens if you put a gun in the freezer?
If you put your gun in the freezer that is set at 0 degrees, that is the temp your gun and the lube that is on it will go down to and you will not be able to fire the gun or even operate the slide manually until it thaws out.Can I store my guns in the garage?
Based on gun experts, the ideal temperature that we should maintain for our gun storage is 70 degrees Fahrenheit with a 50% relative humidity. If your garage is unheated, you can still keep your guns there by using a dehumidifier or placing a gel desiccant in the safe to prevent moisture.Is it OK to keep gun safe in garage?
It's best to avoid placing our gun safes in the garage, but if there is no other choice, it's a good practice to bolt it to the floor and build a closet around it. Although the gun safe can be placed inside a bedroom closet, the best place is once again the basement.Do shotgun shells go bad over time?
Anyway, I was told today that even though pistol and rifle shells will keep for a very long timethat those shotgun shells, although kept in a dry and air-conditioned place, would expire and become unstable in 5-10 years. And, that this could cause them to explode or something along those lines when used.Can you vacuum seal ammunition?
Vacuum sealing is more effective than anything, including ammo cans. Simply because its more sealed. If you really get wacko, buy some oxygen absorbers and throw them in with the ammo. You don't need silica gell because with a full vacuum pulled, there isn't any moisture left.How often should you clean your handgun?
My recommendation would be to clean the weapon every 250 rounds, if you don't want to clean it each time you shoot. If you don't go to the range much, cleaning your weapon is still important. At the very least, you should break your weapon down and clean it twice per year, if you are never shooting at all.Which of the following would be a good spot to store ammunition?
Store ammunition in a cool, dry place to prevent corrosion. Corroded ammunition can cause jamming, misfires, and other safety problems.Is live ammunition dangerous?
Bullets are no more dangerous than stones of the same size. Contrary to news reports about “live bullets found at the scene,” bullets are not “live.” They are not explosive, cannot be ignited, “set off” or fired — unless they are fitted atop a case filled with powder and a primer. This package is called a cartridge. 
