Otis Technology In-Line Muzzle Loader Micro Cleaning Kit 500 is another set of weapon maintenance tools in Otis' Micro Kit line. These basic cleaning kits include the all the essential tools needed to keep your muzzleloader pistol working in optimum condition. Utilizing the patented Otis Technology Breech-to-Muzzle cleaning methodology, the Otis Muzzle Loader Micro Cleaning Kit ejects buildup out the barrel of your pistol, not back toward the action where it can continue to inflict damage. The core of this Otis cleaning kit is the Memory-Flex cleaning rod, a durable rod made out of bendable nylon-coated aircraft aluminum that can follow the contours of your in-line muzzle loader with the included cleaning patches. This Micro Kit includes the 36" .50 caliber Memory-Flex rod, a solid brass slotted tip, a .50 caliber bore brush, 3" panoply patches, and a 0.5 ounce tube of Otis O85 Ultra Bore Solvent. For a streamlined, bare-bones cleaning kit that will leave your in-line muzzleloader perfectly clear in seconds, use the Otis Technology Micro Kit for In-Line Muzzleloader Pistols.