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Old April 14, 2008, 08:13 PM   #8
Sigma 40 Blaster
Senior Member
 
Join Date: July 1, 2007
Location: East Texas
Posts: 997
If you're still using the same charge and bullets with the same OAL you probably need to crimp a little more to knock all of your case flare out.

Take your calipers and place them about 1/2" below the case mouth, move them up to the case mouth. You should have not to adjust your calipers to move them up past the mouth of the case. I usually crimp mine to knock the flare out +.001 or .002.
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