Question… “How do I safely and quickly remove the existing gun blue?: Answer… The Blue Wonder™ Blue Removal System! A quick two step process. Simply apply the Blue Remover using the supplied applicator brush, allow it to sit for a few minutes and watch the factory blue disappear before your eyes! Rinse the Blue Remover with water and then apply the Stabilizer to neutralize the acids and prepare the metal for receiving Blue Wonder™ Gun Blue/Black. Also use as a preparation phase for any other gun bluing system where you want to remove the old bluing prior to the new application process.