The Kleen-Bore 556-SET: MSR/AR Accessory Cleaning Set is a carefully curated assortment of items designed specifically for the upkeep and cleaning of 5.56mm/.223 Cal. modern sporting rifles (MSR) and AR platform rifles. The set encompasses a brass patch holder and brass spear tip jag, which are optimal for meticulous cleaning efforts. It also includes a bronze bore brush for effective cleaning of the bore and a 100% cotton bore mop for a thorough cleanup after the cleaning process. Additionally, the set comes with a chamber brush to efficiently clean the gun\'s chamber.