With the BoreSnake Viper it features 50% more scouring power, a coneshaped bore guide for quicker, easier alignment and a designated lubrication zone on the handle. One pass with the BoreSnake Viper loosens large particles, scrubs out residue with the bronze brush, and swabs your bore spotless. Just add some Hoppe"s Elite Gun Cleaner of your choice for a one-step triple-action bore shine.