RamRodz Barrel Cleaners eliminate the need for cotton patches. These swabs provide superior cleaning performance without the hassle or mess. Favored by professionals, each model of RamRodz Barrel Cleaners are designed to expand into rifling grooves and conform to the barrel walls, cleaning the maximum amount of surface area with each pass. The 8" bamboo handle easily bends without breaking. The tip is made of industrial grade, low lint cotton, precisely wound to caliber size. Disposable and biodegradable, RamRodz are available in five common gun calibers: .22, 38/9mm, .40, .45 and .50 caliber.