Cleans dirt and grime from exposed metal surfaces - Displaces non-visible moisture from metal pores - Protects internal and external metal parts from rust and corrosion - Exclusive formula provides thin long-lasting film that keeps actions working smoothly - Proven effective at temperatures from -20 to 120 degrees - Does not contain CFC's or paraffin - Rem Oil is the most versatile gun oil you can buy. The same great lubricant since 1913 the advanced formula cleans lubricates and protects your valuable firearms so they'll keep running smoothly and looking like new. Rem Oil penetrates into the smallest metal pores then leaves a tough long-lasting film to help reduce metal-to-metal wear. Quickly displaces even microscopic traces of water for advanced moisture resistance and rust protection.