Directions for use:
Clean and degrease the surface that is being treated.
Apply Gun Blue evenly with a clean cloth. leave it for 30 seconds then rinse it off with cold water. repeat this process for deeper blueing.
Dry and lightly, apply Silicone Gun Oil with a Silicone Cloth.
Gun Blue is ideal for repairing scratches and worn blueing but not intended to replace hot blueing of whole barrels.