How to Lengthen the Chamber on an Antique Parker Shotgun | MidwayUSA Gunsmithing
This guide details the process of lengthening the chamber on an antique Parker 12-gauge shotgun from 2.5 inches to 2.75 inches to accommodate modern shells. Expert gunsmith Larry Potterfield demonstrates the use of specialized tools like a piloted chamber reamer and emphasizes meticulous cleaning and lubrication for a safe and effective modification. The process requires precision and adherence to specific steps to ensure proper chamber dimensions.











