This is a Uncle Mike's Aerosol known as the Crud Cutter, model 42071.
This effective cleaner quickly blasts away of grease" dirt and oil build-ups" while softening powder and plastic wad residue. It dries quickly without residue" leaving metal clean and free of debris. This product is also effective at removing plastic fouling from choke tubes.
Features:
Evaporates, leaving no messy residue
Quickly removes gummy build-ups of grease, dirt and oil
Cleans actions, gun parts and mechanisms without disassembly