Hoppe's BoreSnake Hoppe's BoreSnake is the fastest bore cleaner on the planet. One pass loosens large particles, scrubs out the remaining residue with a bronze brush, then swabs it all spotless with a cleaning area 160x larger than a standard patch. Add a few drops of Hoppe's No. 9 Lubricating Oil or Hoppe's Elite Gun Oil and your gun's ready for storage. The world's quickest, three-step bore system. Extremely packable. Available for rifles, shotguns and pistols. Brass weight on the pull cord is stamped with the size. Patented one-piece design.