You are over-sizing your brass. It is stretching causing Case Head Separation. Do you have a case head space measuring tool? If you do check to see if your cases are longer than your gauge.
You are over-sizing your brass. It is stretching causing Case Head Separation. Do you have a case head space measuring tool? If you do check to see if your cases are longer than your gauge.
The Dunning-Kruger effect is alive and well.
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