I loaded up some bayou bullets in 9mm in 115 gr, 124 gr, and 147 gr. I went the full range of the min/max loads in the books. The min loads of 3.2 gr w231 on the 147 gr @ 1.133" OAL were downright nasty. The 3.4 gr loads were a bit better. No problems whatsoever with the 115's and 124's. They were both great. I also may have put too much crimp on the 147's if that matters.
Why were these reloads so dirty?
- Thread starter blitztech
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ljnowell
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Them minimum load is probably your culprit. Until the pressure gets to a certain point you will not have complete burning of powder. Less than optimum burn=dirty reload.
As far as crimp, you really don't crimp a 9mm round. Its more or less just straightening out the case mouth.
As far as crimp, you really don't crimp a 9mm round. Its more or less just straightening out the case mouth.
rcmodel
Member in memoriam
Low pressure.
Bump them up and the powder will burn cleaner.
rc
Bump them up and the powder will burn cleaner.
rc
Well these are my first reloads ever and I was having an issue with the bullets falling out. I started crimping them. After a while I moved the crimp out almost entirely until it was just taking the flare out. The bullets were no longer moving, but I already had done it to these 147's. I read that crimp on 9mm can really effect accuracy so that issue is behind me now.
I'm just wondering if maybe those max loads are a little light. Any way to figure this out without blowing up the gun?
LiveLife
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