The JAG 20JM is a precision-made brass cleaning jag specifically designed for .20 caliber firearms maintenance and cleaning.JAG 20JM Brass Cleaning JagFits .20 caliber firearmsConstructed from durable brass materialPrecision threading for secure patch attachmentEssential firearm cleaning and maintenance toolThis brass jag provides reliable performance for thorough barrel cleaning ensuring your .20 caliber firearm maintains accuracy and longevity through proper maintenance.