I pretty much do the same thing, hopes powder solvent, brush, carb cleaner till clean then shooters choice copper solvent for 10 min followed by carb cleaner, dry patch then oil. I rarely shoot over 30 rounds in one shooting and I clean after every outing. I did push shoulders back, i usually neck size. I checked every case with an rcbs mic, nothing seemed excessive, push back averaged .002 with variations of up to +-.002.
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