The SSI Knockout .30 Caliber Gun Rope Cleaner provides efficient firearm maintenance with its innovative 2-pass cleaning system designed specifically for .30 caliber rifles and firearms.SSI Knockout Gun Rope Cleaner for .30 caliber firearms2-pass cleaning technology for thorough bore cleaningModel GR30-3 with SKU GR303Rope-style design for easy pull-through cleaningCompact and portable cleaning solutionIdeal for hunters sport shooters and firearm enthusiasts who need reliable and convenient cleaning maintenance for their .30 caliber rifles and firearms.