How to Blue a Rifle Barrel Using Cold Blue | The Model 67 Project | MidwayUSA

Published on June 17, 2008
Duration: 1:29

This guide details the cold bluing process for a rifle barrel, as demonstrated by Larry Potterfield of MidwayUSA. It covers essential preparation steps like degreasing and plugging the bore, followed by the application of cold blue solution and repeated steel wool treatments to achieve a deep, professional finish. The technique emphasizes patience and meticulous application for optimal aesthetic results.

Quick Summary

Cold bluing a rifle barrel involves degreasing, plugging the bore, heating the metal in hot water, applying a cold blue solution like Art's Belgian Blue with a swab, drying, and carding with 0000 steel wool. This process is repeated 3-4 times for a deep, professional finish.

Chapters

  1. 00:00Introduction to Cold Bluing
  2. 00:18Preparation and Plugging
  3. 00:30Heating the Metal
  4. 00:40Applying Belgian Blue
  5. 00:52Scrubbing and Repeating
  6. 01:12Final Result

Frequently Asked Questions

What are the key steps to cold bluing a rifle barrel?

The process involves degreasing the barrel, plugging the bore, heating the metal in hot water, applying cold blue solution with a swab, drying, and then carding with 0000 steel wool. This cycle is repeated 3-4 times for the best results.

What materials are needed for cold bluing a rifle barrel?

Essential materials include a cold blue solution like Art's Belgian Blue, a degreaser such as Tipton Insta-Clean, 0000 steel wool, cotton swabs, and custom plugs for the chamber and muzzle.

How do you prepare a rifle barrel for cold bluing?

Preparation is crucial: thoroughly degrease the barrel to remove all oils and contaminants. Then, protect the bore and muzzle by inserting custom-turned wooden plugs.

Why is heating the barrel important in the cold bluing process?

Heating the metal barrel in scalding hot water before applying the cold blue solution helps the chemical react more effectively. This ensures a more even and deeper finish when the solution is applied and worked in.

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