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Storing ammo in hot garage

4K views 35 replies 24 participants last post by  dickjames214 
I never had this problem in California, but now that I live in Florida my garage get over 100 degrees.
The afternoon sun hits my garage door for hours. I know that I need to insulate my door.
I keep most of my ammo in a locked cabinet . Of course I will not shoot it when it’s that high temperature.
Am I ruining my ammo?
I never had this problem in California, but now that I live in Florida my garage get over 100 degrees.
The afternoon sun hits my garage door for hours. I know that I need to insulate my door.
I keep most of my ammo in a locked cabinet . Of course I will not shoot it when it’s that high temperature.
Am I ruining my ammo?
Yes. I lived in Orlando for 10 years and stored all ammo and reloading components in sealed cans in a climate controlled room. My 25 year old cases of Federal GMMK Will still shoot 1/2 MOA or less. A friend kept his ammo in sealed cans in his garage and the heat degraded the powder creating higher pressures, very poor accuracy and some split cases.
 
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