I have often heard that a shot of WD 40 will kill a primer. I recently had to deprime a bunch of WLP primers from some cases and saved the primers for a test. I soaked the primers in WD 40 for about a week.





I then loaded a dozen in some .44 Rem Mag cases.



I took them to the farm and put them in a Ruger .44Mag Vaquero to see if they would fire. Every one of the 12 primers fired.
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I was surprised that they were still active after that long submerged in WD 40.

Nicely done....just goes to show that you can't belive everything you hear....

Myth Buster???

Are you sure you had focused them correctly? <grin>

Good test. Hey, you and I are the only ones who use the priming attatchment on our Rockchucker presses

Great post!

Good test. Just goes to show that the best way to kill a primer is to shoot them

I've seen this done before. I think it was on the old shooters.com site. They're pretty durable.

Interesting test.

Apparently there are three of us that use the Rockchuck Primer attachment.

Not fair..everything fires in a Ruger!! Try some Kroil

I have been spraying them with Rem-Oil for years and (so far) none have detonated while I was punching them out. Guess that I will have to repeat your experiment, now, to put my mind at rest!

thanks for the info.

Interesting indeed...thanks for sharing.

Years ago I had a job working for Federal Cartridge in Anoka Minnesota.
I ran the priming machine. After a certain period of time when the primers were dry the foreman had me take them out of the machine and drop them into a pail of oil.
I almost cried. They were considered dangerous when they were dry. From what I remember they were dusty when dry and the dust could ignite and cause a mass detonation which could be a catastrophy in a plant that size.
whelennut

I had a colleague in Texas who seemed to always generate static electricity in the winter, no matter what he was doing. One night, he was priming cases, reaching into a ceramic bowl to fish the primers out one at a time. As he reached in the bowl which held about 25-30 primers, one or more ignited, scattering primers far and wide. He recovered his composure and realized that he was queasy and his testicles hurt. One of the primers had penetrated his jeans and hit him in the nuts with enough force to administer a nasty bruise.

Shortly after that, I bought a Lee Auto-Prime (which I still use), not because of that incident but because Jack O'Connor reviewed them favorably.