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