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First One............

After 52 years, and 100K + rounds, I had my first misfire today. Brought the round home to diagnose what happened and found that the primer had evidently flashed just enough to have a burned look, but not enough to ignite the powder. There was no evidence of a piece of corn cob in the flash hole or any other occlusion. The primer had a strong firing pin dent and this action has been optimized for solid ignition. So it looks like a simple bad primer. I have shot nearly 2 bricks of this lot of CCI 450's and never experienced any problems. I guess if you drop the pin on enough of them, you will eventually find one that fails.
 
After 52 years, and 100K + rounds, I had my first misfire today. Brought the round home to diagnose what happened and found that the primer had evidently flashed just enough to have a burned look, but not enough to ignite the powder. There was no evidence of a piece of corn cob in the flash hole or any other occlusion. The primer had a strong firing pin dent and this action has been optimized for solid ignition. So it looks like a simple bad primer. I have shot nearly 2 bricks of this lot of CCI 450's and never experienced any problems. I guess if you drop the pin on enough of them, you will eventually find one that fails.
God that’s wild !! I had my first one ever on Sunday. Been reloading for years and years. It was a 450 also
 
I dumped the empty sleeve last month.....Have not open'd up the next batch but its a much newer lot
for sure....sorry my friend.
I do know they were form 2018 if that helps.
 
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I’ve had that happen 3-4 times with 450’s over the last 7-8 years.
 
I've loaded literally thousands of centerfire rifle and pistol cartridges for close to 50 years now and have only had one failure to fire that I could trace to a faulty primer. In my case, it was a Federal 205M, small rifle primer.

After disassembling the cartridge (with appropriate care and safety gear) I found that the primer had no priming compound.
 
Would those that have experienced CCI 450 misfires be so kind as to post the lot numbers? It can be found on the cardboard sleeve around each tray.
B08C202 is my lot #. Very hard to make it out
 
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Not any more, that LOT or Brick of 1000 of CCI is in the corner edge of my desk. I bought them about 2 years ago from PV. Only got to use the first tray during load development for my 6.5x47. It was total frustration, would start with excellent group, and then that darn misfire. Out of 100, I had about 10-12 misfires. And this is on a custom build rifle, firing pin was even replaced, due to me thinking that was the problem. Changed to a new lot, no more issues.
 
Yup..theres been some bad 450s out there in the last 4 years..but none of the new ones have
messed me up these days...so im hopin were past them and moving forward...at least as far as
what's left in my stash are all pre 2018 and seem good.
Thats it Josh..now your on to something
 

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