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-   -   Shelf Life of Ammunition (http://www.firearmstalk.com/forums/f30/shelf-life-ammunition-54408/)

Balota 12-30-2011 04:19 PM

Shelf Life of Ammunition
 
As a practical matter, most of us will never have to fire our weapons in defense of our homes or loved ones. Even so, if we got a weapon for home defense or personal protection, we'll be loading some kind of appropriate self defense ammo. That ammo is pretty expensive compared to plain FMJ practice rounds. You might run a few expensive magazines of the defense ammo to check feed and function. After that you'll just keep the defense ammo for defense.

Which brings me to my question: How long can you keep a couple magazines filled with defense ammo without risking a malfunction? And a related question: What can you do to extend that shelf life?

Trez 12-30-2011 04:23 PM

Keep it dry and from extreme temps.... I often shoot old surplus ammo with out any difficultys... Some has even been from the 30's

pfev1980 12-30-2011 07:06 PM

I know a guy who regularly fires .300 British ammo from the 40's. Keep it clean, dry and at a normal temp and it will last a lifetime if you want to keep it that long. My recommendation, cycle through your self defense stuff at least once a year. The cost spread out over a year won't hurt too bad unless you are talking about a stockpile rather than a couple mags of hollow points for home defense...lol

Chainfire 12-30-2011 07:45 PM

If kept dry and clean it will outlast you. I shoot .45 ACP that has '42-'44 headstamps. I have shot a pile of it and have only had a couple of failures to fire. I have a feeling they would have failed to fire in '42 or '44 too.

Loaded, quality, magazines will remain functional for years as well. It is a myth that the springs take a set after a short time.

Any weapon used for self defense should be shot often enough to cycle through magazines and ammo, but I would not be concerned about "shelf life".

All that said, I did forget about a case of shotgun shells that I put in my barn for about five years. I live in Florida where heat and humidity is a serious issue. When I found them, I took out a couple of boxes that showed signs of weathering and sure enough I had enough failures to mark all of the boxes for only practice use.

jpattersonnh 12-30-2011 08:10 PM

1920's and '30's 8x56r. 1940's 8x57, 1940's .303 brit. I still have some 20 year old reloaded hunting rounds for 8x57 and .303. I still use paper hulled shotgun ammo from the 1960's.

pfev1980 12-30-2011 08:18 PM

Doh, I meant .303 Brit in my post. Not something I shoot...lol. Sorry for the misinfo.

c3shooter 12-30-2011 08:27 PM

As said- dry, away from temp extremes- AND AWAY FROM WD-40! I shoot up and replace my social purpose ammo once a year, but I have 8mm ammo with Nazi waffenampt marks, and .303 Enfield from same era. Shoots fine.

jpattersonnh 12-30-2011 08:32 PM

Like this?
http://i79.photobucket.com/albums/j1...DSCF0006-6.jpg

http://i79.photobucket.com/albums/j1...SCF0002-10.jpg

http://i79.photobucket.com/albums/j1...DSCF0005-6.jpg

The last 8x57 will never see a chamber!!!!!


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