For Scratch Touch-ups & Complete Rebluing

• Enriches color and reduces achievement time

• Gun Industry's most consistent, reliable formula

• Easy to use and non-streaking

• Immediate results; treat up to seven coats to complete black

• Tetra Gun Liquid Blue is the finest cold bluing gunmetal surface treatment there is.  Beloved worldwide, this material delivers a very consistent coating.  Best if used after the Blue & Rust Remover pre-treatment for stripping and prepping the gun parts surface.

• Up to seven coats before you get to black