How to Lengthen the Chamber on an Antique Parker Shotgun | MidwayUSA Gunsmithing
This video demonstrates a gunsmithing technique to lengthen the chamber of an antique Parker Brothers shotgun. The process involves using a piloted PTG chamber reamer and cutting oil to extend the chamber from 2 ½ inches to 2 ¾ inches, making it compatible with modern ammunition. The demonstration highlights careful insertion and rotation of the reamer, with regular cleaning, until the correct depth is achieved.








