Brownells Classic Rust Blue 4 oz Firearm Bluing Solution Gunsmith Finish

Restore or refinish firearm metal with the deep, traditional blue-black appearance of Brownells Classic Rust Blue. This authentic rust-bluing formula is ideal for restoring older firearms, finishing soft-soldered double guns, or creating an elegant finish on custom firearm projects.

Rust bluing requires no expensive hot-bluing equipment, making it a practical option for experienced home gunsmiths and hobbyists. With careful metal preparation and repeated applications, it produces a rich, durable finish that penetrates the metal rather than simply coating the surface.

Features

• Produces a traditional, deep blue-black rust-blued finish
• Ideal for antique firearm restoration and custom gunsmithing projects
• Suitable for soft-soldered double-barrel firearms
• Precisely balanced formula containing bluing salts and acids
• Does not require commercial hot-bluing equipment
• Creates a durable, classic finish
• Complete step-by-step instructions included

Application Process

The formula is applied in multiple stages. After each application, the parts are boiled in water and carefully carded or rubbed down with steel wool. Repeating the process develops the rich, lustrous finish associated with traditional master gunmakers.

Specifications

• Brand: Brownells
• Product: Classic Rust Blue
• Net Contents: 4 fl oz
• Metric Volume: 118 mL
• Instructions: Included
• Intended Use: Firearm metal restoration and refinishing

Proper metal preparation and careful adherence to the included instructions are required for the best results.