Brownells - Introduction to Cold Blue Finishes
This video provides a comprehensive guide to using cold blue firearm finishes. It emphasizes proper surface preparation, cleaning with residue-free solvents like Brownells TCE, and careful application techniques to avoid streaking. The expert recommends specific products like Oxpho-Blue for full refinishing and 44/40 for touch-ups, stressing the importance of neutralizing the acidic solution afterward to prevent rust.









