Ever detonated a primer when priming?

GBExpat said:

Only once, when using a Whack-a-Mole style Lee Loader ~50 years ago.

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me also about 50 years ago I started out with a lee loader had a few go off, went and got a hand tool to put the primers in.

One time, with the Lee Wack a Mole. I accidentally got a re-primed case into the stack of shells I was de-priming and gave it a good lick.

I had one detonate about 5 years ago. I was depriming an old (1940s old) batch of 30-06 for a friend. One of the primers apparently corroded to the case and detonated when the ram went up. Oddly I was going slow at the time of the detonation and I have deprimed much faster before and since with no issues.

I would attribute primer detonations to the odd fluke or extremely careless handling. I can't recall how many primers I have crushed, deprimed or mangled without a problem, but it's a lot!

GBExpat said:

Only once, when using a Whack-a-Mole style Lee Loader ~50 years ago.

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Same here, only 47 years ago. Did it more than once though. It was easy to get carried away, and I primed the cases separately, after knocking them out of the sizing die.
It does wake you up.
Back then Lee offered an early hand squeeze priming tool which had a steel shell holder molded into a tough red polymer body.
It was a single loader without a primer tray, and you needed one for each cartridge, or one for several cartridges with a common head size.
I bought two or three since they were cheap, and then bought a Lee auto-prime when I bought my first RCBS press.

Had one go off on a loadmaster about a month ago . Only one wasn't to bad had the explosion shield on , nothing broke .
Can't remember if it was the same Loadmaster but several went off about a dozen years back . That scared the heck outta me . Explosion shield was on . The plastic primer tray lid broke . The primer slider and trough were fine though . Pretty sure I still have the cover . And along time ago with a 38 special whack a mole

Had never had one go off either after years of loading till recently. I bought out a cousin’s 650 for cheap just for handgun faster than my 550 on large batches. Set off 2 first time out machine had multiple issues sent it back to Dillon sent me a almost 100% new machine. Runs like a top now. I more cautious now that it has happened to me not forcing things sorting brass better got out of being lazy.
Thanks
Roc1

roc1 said:

Had never had one go off either after years of loading till recently. I bought out a cousin’s 650 for cheap just for handgun faster than my 550 on large batches. Set off 2 first time out machine had multiple issues sent it back to Dillon sent me a almost 100% new machine. Runs like a top now. I more cautious now that it has happened to me not forcing things sorting brass better got out of being lazy.
Thanks
Roc1

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I have sideways-crushed quite a few primers on my 650. None of them have gone off. Don't be violent with the handle when seating the primers. Don't smash the handle up or down.

Anything can happen when humans and mechanical devices interact but the LNL priming system is about as safe as any I’ve seen.

Never had this happen or hear it happen.

ATLDave said:

I have sideways-crushed quite a few primers on my 650. None of them have gone off. Don't be violent with the handle when seating the primers. Don't smash the handle up or down.

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I wasn't being violent when mine went off . Smashed some that didn't go off .

I’ve had one go off. Three or four months ago. I expect my hearing to return soon. I’ve crushed, inserted sideways, and even upside down. Never an issue getting them out and even reusing most of them.
Then I started converting .223/5.56 to .300 BLK. Didn’t get all the Crimp out of a case. Seemed a bit hard going in so I kept rotating the case looking for the sweet spot. No significant change in pressure on the press, but I apparently hit the right spot the wrong way. Bang! I was so startled I didn’t really know what happened. Wife yelled out from downstairs...what was that?
Now I have a Hornady Swaging Die. Works really well...but I am still quite jittery priming converted brass. If anything feels a bit off I throw that case into the rework bin.

I wasn’t violate still went off . Machine timing was off I couldn’t retime it platform bad Dillon rebuilt whole machine almost 100% new parts when I got it home. Even sent casefeeder parts I asked to buy. Great service and press works great now

Yes! Couple of times wih the Lee Whack-a-Mole. Switched to an RCBS hand priming tool and managed to set one off when I had a double feed. I wear gloves and glases when priming just to be on the safe side. I prefer hand priming rather than on press for pistol (I do large rifle on my Lee single stage though).