DuraCoat Firearm Finishes are truly the finest on the plant! They are made to use on all parts of a firearm, including ferrous metals, alloys, synthetics and wood. As well as excellent adhesion and hardness, DuraCoat also provides fantastic physical and chemical performance in addition to unmatched resistance to corrosion, impact, mar and abrasions. This listing is for a 4 oz bottle of DuraCoat Firearm Finish with the hardener, in the listed color. You supply your sprayer or airbrush to apply.