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Just a light taper crimp is needed for the 9mm, enough to prevent the setback as you discovered. Turn the die in a little at a time until you start noticing the case mouth is slightly rounded in toward the bullet. Very slightly.
My CZ however refuses to run unless I put it through the Lee FCD and give it enough taper crimp to make the case mouth flush with the round. Otherwise it gets hung up when feeding.
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