Otis Technology Tactical Cleaning SystemIt doesnt matter if the hunt is in the backcountry or back fortya dirty firearm can be the difference between success and a long walk back. Pack a cleaning system versatile enough to handle every condition, without packing extra weight. Contains the brushes needed to clean . 22, . 270, . 30, . 38, . 45 cal. rifles pistols and 12 10 ga. shotguns. Patch cleans all . 17 . 50 cal. rifles pistols, . 410 12 10 ga. shotguns and all in line muzzleloaders.