Otis MC-10 Gun Lubricant & Cleaner is a complete firearm cleaning system, containing MC-10 cleaner and MC-10 lubricant. MC-10 cleaner removes carbon, fouling, and debris without taking lubricate from the metal's pores. MC-10 lubricant penetrates deep into the inner workings of firearm actions, and holds to metal exceptionally well; MC-10 lubricant maintains its viscosity from 65 to 650F. Otis MC-10 Gun Lubricant & Cleaner is safe to use on metal, plastics, rubber, polymer and wood. The firearms cleaning system includes a metal case and micro-fiber cleaning cloth. Manufacturer model #: FG-906-4. Complete firearm cleaning system Cleaner removes fouling Lubricant penetrates deep Micro-fiber cleaning cloth