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Old October 18, 2011, 01:19 PM   #1
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dirty necks?

I'm beginning to notice the necks on my .30-06 cases getting dirtier the more I reload them. Is this due to resizing and trimming?
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Old October 18, 2011, 01:43 PM   #2
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Low powder charges will do this. Case is not expanding enough to make a complete seal. Its not an issue though.
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Old October 18, 2011, 03:46 PM   #3
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Sometimes it's the brand of powder you use. Sometimes it's the pressure you develop in the load. Nothing to do with sizing and trimming and nothing to worry about. I used to fret about it, even going to the trouble of spraying carb cleaner on them before tumbling. Now I just don't worry about it. Most of it comes off during tumblling. If not, I still don't worry about it.
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Old October 18, 2011, 04:09 PM   #4
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Or a scotchbrite pad removes the residue quickly.....
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Old October 18, 2011, 07:22 PM   #5
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Hello, sigshepardo. You mentioned "the more I reload them"..could be the brass is work hardening, and becoming stiffer & not sealing as it once did.
And yes, sizing will contribute to this.
You might want to anneal..but be careful..this has it's own pitfalls.
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