How to Lengthen the Chamber on an Antique Parker Shotgun | MidwayUSA Gunsmithing
This video demonstrates 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. It highlights the importance of cleaning the chamber before using a piloted reamer and applying cutting oil. The process involves carefully turning the reamer with a tap handle until the reamer's shoulder meets the rim recess, while frequently clearing metal chips.









