Vacuum seal primers?

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Last time I bought primers was 2018 when they were on sale and the shelves were full.

Styphnates and fulminates aren't really effected by water that much. Sopping wet silver fulminate crystals will still detonate, they are a lot less flame sensitive but being wet doesn't change their shock or friction sensitive a whole lot.
So don't worry about it.
 
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And how's that going to help OP with storage question?
It doesn't and actually neither did my last post. My earlier post was more constructive. Anyway as to vacuum sealed packages for primers there is only so much that can be said and it has pretty well been covered. Threads tend to drift off topic and nothing new there. I guess the question begs why bother to vacuum pack primers? SAAMI pretty much covers Properties, Handling & Storage for Handloading of Primers in their leaflet on the subject. All of which has been mentioned and covered.

Ron
 
It doesn't and actually neither did my last post. My earlier post was more constructive.
But you gotta admit that post took some time to photoshop and the baby seal was really cute. :D

Come on I'm having internet problems here. Can you give a guy 3 minutes to edit a post before jumping all over them?
LOL, sorry. Had spinal stenosis flare up all day yesterday and had to work on wife's incubation/chick house with back spasms.

Just getting to drink my morning coffee (West Coast time) and looks like my post did jump kinda hard. :p

I tell you, don't get old and choose your parents very carefully.

I guess the question begs why bother to vacuum pack primers? SAAMI pretty much covers Properties, Handling & Storage for Handloading of Primers in their leaflet on the subject. All of which has been mentioned and covered.
I was a chemistry major drop out in college and I did vacuum pack my loaded rounds intended for long-term storage until rcmodel knocked some sense into my head. :)

My rationale for vacuum packing loaded rounds was to remove air (which is mostly Nitrogen) but with concern for moisture interacting with priming compound. But I learned that priming compound is fairly stable and protected by barrier/sealant so normal atmospheric moisture, even at 100% humidity in the coastal climate I live in, I don't worry.

I think heat sealing of plastic bags to prevent contact with water like from rain/flood is a good idea.
 
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I vacuum sealed some primers with same type of home vacuum sealer . I think it was around 6 bricks back in 2013-ish and 3 lost there seal by now .

It was the only time and not sure why , I will say the first couple I did I left the room just in case they exploded lol
 
But you gotta admit that post took some time to photoshop and the baby seal was really cute. :D
Thanks and I made that for something in this forum years ago but forgot what.

Years ago, maybe during the early or mid 90s there were sleeves of vacuum packed ammo pouring into the US, all NATO 7.62 stuff. I forget where it came from. They even had a carry handle on each sleeve. South African maybe?

Ron
 
My primers are stored in a fire resistant file cabinet, powder goes in a double walled cabinet, bulk ammo I vac seal in ammo cans with dissicant 20200130_112451.jpg 20191105_172710.jpg
 
They'll be fine. I've fired ammunition from the 1880s and it went off normal.
8mm mauser from 1916, fine.
7.65x54 from 1910, fine
6.5x55 from early 20s-70s fine

I'd been using primers from the 50s-60s-70s from a few yardsales. Mostly used up now. And muzzleloading #10/11 caps from the 70s.
Storage conditions are important.
 
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