Larry Potterfield, Founder and President of MidwayUSA, provides an expert guide on polishing rusty and pitted shotgun barrels. The process involves segmenting the barrels, using specialized rubber sanding blocks (concave, angled, and rounded) to back abrasive papers, and progressing through grits from 100-grit aluminum oxide to 320-grit silicon carbide. Cutting oil is recommended for lubrication during the final stages. This detailed technique ensures a thorough restoration of the barrel's finish.
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