Hoppe's 9 Gun Bore Cleaner - 2oz Bottle. Trusted throughout the years Hoppe's No. 9 Gun Bore Cleaner can be used to clean all pistol rifle and shotgun bores and penetrates deeply to remove carbon powder and lead fouling. It also loosens abrasive debris to prevent wear and tear on your firearm. The easily recognizable Hoppe's No. 9 scent has become synonymous with a clean firearm and has been a staple in range bags and on gun benches for over 100 years. Specifications for Hoppe's 9 Gun Bore Cleaner - 2 oz Bottle: Manufacturer: Hoppe's 9 Volume: 2 oz Features of Hoppe's 9 Gun Bore Cleaner - 2 oz Bottle A worldwide favorite since 1903 Has the traditional Hoppe's No. 9 scent Ultra effective safe and easy to use Child proof cap Package Contents: Hoppe's 9 Gun Bore Cleaner - 2 oz Bottle Hoppe's 9 902: Gun Bore Cleaner - 2oz Bottle