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If all else fails you could use the Lee Factory Crimp Die. The issue you stated was causing me issues with 9 mm and the factory crimp die solved the problem.
As others have stated shoot them to see if you do have issues with the case mouth.
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NRA Life Member, NRA Chief Range Safety Officer, NRA Certified Pistol Instructor,, USPSA & Steel Challange NROI Range Officer,
ICORE Range Officer, ,MAG 40 Graduate
As you are, I once was, As I am, You will be.
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