ATOM Weapons Color SetATOM Weapons Color Set This ATOM Weapons Color Set set includes Steel and Gun Metal for any metal gun parts, Satin Black for plastic parts such as the buttstock of an M16, Dark Rust for Bakelite and redish brown plastics, Leather and Dark Wood for wood components. ATOM colors water based formula behaves like a lacquer and has been optimized for maximum performance with both brush and airbrush. We recommended adding 30 % of Cleaner & Thinner (ATOM