Speed VS. accuracy and reliability

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Last winter I reloaded 3000 147gr 9mm for the summer shooting season.
Also 1000 .380 for my wife's gun.
The last few times shooting I had 2 duds. Seemed like a bad primer. Powder was fine no other issue with the cartridge.
2 was too many. I just spent 20 min going over my last 500 rounds, BAD PRIMER in one of the loaded rounds.[thinking]
I think that trying to crank out the rounds made me make simple mistakes. My only 2 thoughts are, the primer did not clear all the way out and went right to powder stage,or I picked up a used primer off the table with the pick up tube. Either way, I need to slow down and make sure this does not happen again.
Just thought I'd share my mistakes with the new guys.
Thanks, Mike
 
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What brand of primers? I am using Tulas for practice ammo and average about one failure to ignite per 100. Sometimes the round goes off on the second hit (I am using a SIG DA/SA) and sometimes it doesn't. When I switch to WW primers the problems go away.
 
Mike's problem as he explained it sounds like a used primer in the case, not a dud. Would need to pull the round apart to determine for sure.

If the round ignites with a second hit, it was most likely not fully seated. If it is a new primer, and does not light, then it is usually missing the anvil or priming compound. Again, dis-assembly of the round is required for root cause analysis.
 
Mike's problem as he explained it sounds like a used primer in the case, not a dud. Would need to pull the round apart to determine for sure.

If the round ignites with a second hit, it was most likely not fully seated. If it is a new primer, and does not light, then it is usually missing the anvil or priming compound. Again, dis-assembly of the round is required for root cause analysis.

You are correct. It was "a used primer in the case". Stupid mistake. Trying to move to fast through the loading process.
 
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