Gunsmithing - How to Finish a Rifle Barrel Using Cold Blue

Published on August 17, 2011
Duration: 1:29

This guide details a cold bluing technique for rifle barrels, presented by Larry Potterfield of MidwayUSA. The process involves meticulous preparation, repeated application of a cold bluing solution, heating, drying, and scrubbing with fine steel wool to achieve a durable, aesthetically pleasing finish. It's a practical DIY method for firearm enthusiasts seeking to restore or enhance their rifle's appearance.

Quick Summary

Learn to cold blue a rifle barrel with expert Larry Potterfield. The process involves degreasing, applying a solution like Arch's Belgian Blue with a swab, heating in hot water, drying, and scrubbing with 4-ought steel wool. Repeat these steps 3-4 times for a durable, professional finish.

Chapters

  1. 00:06Introduction to Cold Blue
  2. 00:18Barrel Preparation
  3. 00:31Initial Heating and Drying
  4. 00:40Applying Cold Blue Solution
  5. 00:53Second Heating and Drying
  6. 00:58Scrubbing and Repeating
  7. 01:08Final Finish
  8. 01:12Conclusion and Summary

Frequently Asked Questions

What is the best way to prepare a rifle barrel for cold bluing?

Proper preparation involves thoroughly degreasing the barrel surface and plugging the chamber. Using wooden handles to hold the barrel without touching the finish area is also recommended to avoid contamination and ensure even application.

How many times should I repeat the cold bluing process?

The cold bluing process, including applying the solution, heating, drying, and scrubbing, should be repeated three to four times. This repetition is necessary to build up the desired dark color and achieve a uniform finish on the rifle barrel.

What materials are needed for cold bluing a rifle barrel?

Key materials include a cold bluing solution like Arch's Belgian Blue, a degreaser such as Tipton Insta-Clean, cotton swabs, clean cotton towels, 4-ought steel wool, and a source of scalding hot water.

Can I achieve a professional finish with cold bluing at home?

Yes, with patience and by following a methodical process, a beautiful and durable blued finish can be achieved at home. The key is meticulous preparation and repeating the application steps until the desired result is obtained.

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