Gun Bore Cleaner Features There's nothing more frustrating than a rifle that continues to miss. Take back your aim and restore pinpoint accuracy from the inside with Flitz Bore Cleaner! Gun Bore Cleaner Specifications Safe on Factory Gun Bluing Stainless & Nickel Firearms Maintains accuracy in your firearm. Eliminates the need for other cleaners. Safely cleans & protects. No foam = No mess. Contains no ammonia. Environment friendly. Non-abrasive. Non-flammable.