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I have read about the shelf life of powder if stored properly, but what about the shelf life of primers. Can anyone give some advice to this subject. Also need a good 7/8 oz. reload using Win. AA old style hulls and either a Win. 209 primer or Fiochi primer that goes out in the area of about 1340 fps. I usually use Red Dot or if Promo is used that would work to.
 

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If the primers are stored at a reasonable temperature and humidity, they should last a very long time. I have some ammunition loaded in 1964 that shoots as well now as then. I also have some odd size Berdan primers for a 9.3 x 72R that I purchased in 1968. I don't know how old they were then. They still perform as new. At least chronographed velocities have not changed with the same load. Then, there are the old Alcan primers. I don't know when I got them, but they are still OK.

Johnpe
 

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The usual advice is, avoid heat & moisture. A few years ago I was given a bag of a few dozen old waterfowl shells, that were rusty, corroded, cruddy, and clearly of various loads. They looked like they'd spent many a day in the bottom of boats. I cut them all open one day, out of curiousity, and discarded the components (most powder was matted & lumpy.) I assumed the primers were all bad, but out of curiosity squirted WD-40 into all the hulls & set them aside upright for a week or 2. I then fired the primers. All but 5 or 6 fired. You could easily duplicate this. I know people who worry about fingerprints damaging a primer. Not me, not anymore. Phil E
 
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