Product: Tetra Gun Liquid Blue Blister Pack, 2.7-Ounce
Brand: Tetra
Tetra gun liquid blue is the best cold bluing formula in the gun market
Recommended to use Tetra gun blue and rust remover as the pre-treatment
Build up to seven layers of bluing based on how dark and rich you want the finish
Results are almost immediate
Tetra gun liquid blue is a chemical reaction that enhances the appearance of gunmetal

Search query: cold blue for metal
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