0.311"

30 Caliber 0.311″ Proj. Pilot Set Rental This 30 caliber 0.311″ Proj. pilot set of six is designed for use with chamber reamers to ensure proper alignment and consistent, accurate chamber cutting on .338 caliber rifle barrels. Precision-ground pilots, ranging from 0.3005″ to 0.3030″, help maintain concentricity between the reamer and bore, reducing the risk…