Clenzoil Field & Range Foaming Aerosol Gun Clp 9oz The dual-action delivery System allows users to spray the product as an aerosol or dispense it as a foaming lather Use the foaming lather aspect of the product to break down built up carbon and cartridge residue inside the firearm Spray it as a top dressing to protect firearms from field conditions or for long term storage Allows the user to clean and protect the inside of a barrel and/or chamber without disassembly of the firearm Uses a nonflammable and non-moisture-laden propellant to ensure no additional solvents or water are introduced