How to Measure Shotgun Bore Diameter and Barrel Thickness | MidwayUSA Gunsmithing
This guide, presented by Larry Potterfield of MidwayUSA, details the precise methods for measuring shotgun bore diameter and barrel wall thickness. It covers the use of specialized tools like the Skeets digital bore gauge and the Newbolt & Thorp barrel wall thickness gauge, providing step-by-step instructions for accurate readings essential for gunsmithing.











