This video, titled "Day 3," focuses on examining the forcing cones of an H&R Topper shotgun and a Winchester 1300 shotgun. The description suggests a detailed look at these specific firearm components, likely for a gunsmithing or technical firearms audience. The provided links offer further context on lengthening chambers and the nuances of shotgun chambers, reinforcing the technical nature of the content.
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.
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