How to Make a Shotgun Barrel Dent Raiser Presented by Larry Potterfield | MidwayUSA Gunsmithing

Published on October 30, 2013
Duration: 6:48

This video details the precise machining process for creating a custom shotgun barrel dent raiser tool, as demonstrated by Larry Potterfield. It covers fabricating fixed and sliding wedges from tool steel, machining an operating rod, and assembling components with a custom walnut handle. The demonstration highlights how the tool supports the barrel internally while dents are tapped out externally, emphasizing meticulous craftsmanship for effective firearm repair.

Quick Summary

A shotgun barrel dent raiser is a specialized tool for repairing dents. It works by using machined wedges from tool steel that expand internally within the barrel. This provides support while the dent is tapped out externally, requiring precise machining and assembly.

Chapters

  1. 00:00Introduction to the Dent Raiser Tool
  2. 00:35Machining the Fixed Wedge and Sleeve
  3. 02:00Fabricating the Sliding Wedge
  4. 02:55Operating Rod and Brass Components
  5. 04:31Assembly and Finishing the Tool
  6. 06:18Tool Operation Demonstration

Frequently Asked Questions

What materials are needed to make a shotgun barrel dent raiser?

Key materials include 11/16 inch tool steel rod for wedges, 3/8 inch steel rod for the operating rod, and English walnut for the handle. Various brass components and steel tubing are also required for the main sleeve and other parts.

How does a shotgun barrel dent raiser work?

The tool operates using a system of wedges. When the adjustment knob is turned, the wedges expand internally within the barrel, supporting the area of the dent. This allows the dent to be tapped out from the exterior without damaging the barrel.

What are the key machining steps for the dent raiser wedges?

The fixed wedge requires drilling and tapping for the outer sleeve (1/2-20 thread) and operating rod (1/4-28 thread). The sliding wedge needs a 12-degree taper milled into it, and its through-hole must be elongated for expansion.

What is the purpose of the locator hole and red paint on the dent raiser?

The locator hole and red paint mark serve as alignment guides. They help the gunsmith precisely position the tool inside the barrel, ensuring it is centered on the dent for effective repair.

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