Rothco All Caliber Gun Cleaning KitRothcos All Caliber Gun Cleaning Kit is an essential tool for firearm owners, providing everything needed for thorough maintenance. This versatile kit is designed to service most caliber firearms, ensuring that your weapon remains in optimal condition. The gun maintenance kit includes a chamber brush, a five piece rod assembly, . 22 cal bore brush, . 30 cal bore brush, . 45 cal bore brush, . 357 cal bore brush, and cleaning patches, catering to a wide