How to Backbore the Barrels on a Parker Brothers Shotgun | MidwayUSA Gunsmithing

Published on July 23, 2015
Duration: 1:18

This video provides an expert-level guide from Larry Potterfield of MidwayUSA on how to backbore shotgun barrels, a process essential for removing deep pitting. It details the selection and use of PTG backboring reamers, emphasizing the importance of cutting oil, chip removal, and continuous cutting to achieve a smooth bore. The demonstration highlights the demanding nature of this gunsmithing technique.

Quick Summary

Backboring a shotgun barrel is a gunsmithing process to remove pitting using specialized PTG reamers. Key steps involve selecting the right reamer size, applying ample cutting oil, turning the reamer clockwise while frequently clearing metal chips, and ensuring continuous cutting to the muzzle.

Chapters

  1. 00:00Introduction to Backboring
  2. 00:10Instructor Introduction
  3. 00:16Reamer Selection and Design
  4. 00:29Reaming Procedure
  5. 00:44Extending the Cut
  6. 00:57Post-Reaming and Progression
  7. 01:04Conclusion: Hard Work Necessary

Frequently Asked Questions

What is the process of backboring a shotgun barrel?

Backboring is a gunsmithing technique used to remove pitting or imperfections from the inside of a shotgun barrel. It involves using specialized reamers to carefully remove material, effectively smoothing out the bore.

What tools are needed for backboring a shotgun barrel?

Essential tools include PTG backboring reamers of appropriate sizes, a T-handle with extensions, generous amounts of cutting oil, a vise to secure the barrel, and brushes for cleaning.

How do you select the correct reamer for backboring?

Select a PTG backboring reamer whose diameter is closest to the existing bore diameter you intend to achieve. These reamers are tapered and feature a pilot to maintain centering within the barrel.

What are the key steps in the backboring procedure?

Apply cutting oil, insert the reamer, turn clockwise, frequently remove to clear chips, use extensions as needed, mark the handle for continuous cutting, and repeat with larger reamers if necessary.

Related News

All News →

More Gunsmithing & DIY Videos You Might Like

More from MidwayUSA

View all →