Brownells After-Bluing Water Displacing Oil Rust Preventative 1 Gallon

Brownells After-Bluing Water Displacing Oil is a rust preventative designed specifically for use after the gun bluing process. This 1-gallon formula displaces water from metal surfaces, protecting finished firearms from rust and corrosion. Ideal for gunsmiths and professional shops needing bulk protection for blued metal components. Provides reliable, long-lasting coverage on treated steel surfaces.