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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