I would be making sure i annealed the brass and sized it down only 1 thou at the shoulder. And hitting the chamber with a brass brush and something to loosen up carbon. Question, you arent leaving anything on your cases after sizing are you?
I would be making sure i annealed the brass and sized it down only 1 thou at the shoulder. And hitting the chamber with a brass brush and something to loosen up carbon. Question, you arent leaving anything on your cases after sizing are you?
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