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Old 11-04-2012, 12:56   #1
Rich22
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Brass Particles?

Weird question

Loaded a couple hundred rounds and noticed something weird, I go and wash my hands like normal after loading and saw what looked like brass particles then saw some also in my cartridge catch bin which I will admit has not been cleaned in a long time. All produced ammo looks excellent and can find no obvious problems, scratches on brass etc. Is this normal or should I tear down the dies and inspect? Just pulled them apart and cleaned and lubed about 500 rounds ago?

Thanks

Rich
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Old 11-04-2012, 16:07   #2
Kentguy
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Rich22,

I believe your (every) bullet seating die not only reshapes the brass case back around the bullet but it does a minor chamfer operation. Both of these processes will scrape a very very small amount from around the neck in order to get the neck to seat tightly around the bullet.

I believe this is where your brass particles are coming from, and by the way this is normal.
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Last edited by Kentguy; 11-05-2012 at 06:34..
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Old 11-04-2012, 16:54   #3
Gpruitt54
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I've seen this with my Lee Classic turret press. I was going to post a question on this forum asking about this. Good post and good information.
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Old 11-05-2012, 08:27   #4
Three-Five-Seven
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Normal in my experience. Small flakes of brass come off the case mouth during sizing, expansion, and bullet seating. Case mouth of most brass is very rough unless/until trimmed.
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Old 11-05-2012, 11:44   #5
Rich22
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Excellent, wasn't sure if I was crimping too tight or perhaps had something wrong with my expander. Thanks for the info guys.

Rich
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Old 11-05-2012, 13:41   #6
Colorado4Wheel
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Manufacturer trimmed the case. They didn't do a great job deburring it. So when you size and expand the case small pieces of brass get scrapped off the mouth of the case.
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