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How to Make a Sweat Box

A “sweat box” is used in rust bluing for two reasons: 1. To initiate and accelerate the rusting process 2. To create a consistent, reproducible humidity environment Rust bluing can become agony for some who do not live in a high humidity environment, or if the season of the year is dry and cool. By [...]

Hello antique gun enthusiasts!

Welcome to Rust Blue — the Authentic Bluing Solution connection! For over forty years I have been restoring and re-conditioning collectible firearms. As a gunsmith and collector, I always appreciated the beautiful and durable satin blue that  rust blueing formulas gave those fine old guns. Different manufacturers used various formulas over the years to achieve [...]