Hoppe’s BoreSnake Viper for Handguns The BoreSnake Viper is an improved BoreSnake that offers a tighter fit and enhanced performance and cleaning. The BoreSnake is a very popular and effective solution for cleaning your barrel’s bore. The small size and form factor makes it ideal for your parts bin or your field pack. Each BoreSnake is built with a brass brush integrated into the body to break up and remove carbon fouling. The tail has a much wider body, carrying all of the debris and fouling out of the bore with it. Just soak the BoreSnake’s body with your preferred cleaning solvent and pull it through from the chamber to the muzzle. Extremely effective Small size, perfect for the work bench or the field