This guide details the process of repairing pitting in older shotgun barrels using a Sunnen honing tool, as demonstrated by expert gunsmith Larry Potterfield. It emphasizes the importance of protecting the choke by measuring its taper and using a stop collar. The procedure involves a progression of abrasive grits, starting with 80-grit and moving to finer grits, while carefully monitoring barrel wall thickness and maintaining proper tool tension. This technique ensures the firearm can be safely used after addressing bore imperfections.
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