*** The following description is from manufacturer description: " T-4 is in the catalog because of customer demand. As Maynard Buehler said: "THIS is the BEST yet." Every time a new gun blue comes on the market, we test it on a piece of gun barrel. We blue three spots: one with the new blue, one with Oxpho- Blue™ and one with T-4. One day later we start rubbing all three areas with steel wool until one of them starts wearing off. So far, Oxpho Blue™ is toughest and T-4 next. However, for ease of application and deep density of color, T-4 is superior. Its ability to touch-up wear areas and scratches instantly has made it a favorite".

Recommendation 1: Use the bluing accessories kit that has steel wool pads, scour pad discs, swabs, and microfiber cloth.

We have a listing here Shooter's Choice Bluing Kit (if in stock).

This kit Includes two steel wool pads and six scour pad discs, which are both abrasive materials that can be used to remove rust, corrosion, or other imperfections from the surface of the firearm. These materials are gentle enough to use on delicate firearm surfaces, but powerful enough to effectively remove any debris that may be causing damage to your gun.

The six daubers and twelve cotton swabs that come with the kit are perfect for precise application of bluing agents or other cleaning solutions. These materials help you reach even the most hard-to-reach areas of your firearm for a thorough clean. The kit also includes a soft and gentle microfiber gun cloth that is perfect for polishing and buffing the surface of your firearm after cleaning.

Recommendation 2: Use swab-daubers - Swauber Applicators to apply the bluing solution to the metal parts of the firearm.)