Advanced cleaning formula designed to remove high carbon levels from high round count firearms Safe for use on any firearm bore Delivers a superior clean Convenient 6oz aluminum bottle for easy handling and storage Hoppes Black Gun Cleaner helps maintain the performance and longevity of your firearms making it an essential addition to your cleaning routine Hoppe&';s Black: Go ahead, bring the heat. Hoppe&';s Black Step-by-Step Cleaning System High-performance firearms deserve high-performance protection, and Hoppe*s? Black delivers. Hoppe*s Black uses a formula designed for MSR*s and other high-round count firearms, but will work with any firearm. It is designed to withstand a wide range of temps from -65?F to 540?F. Hoppe*s Black is comprised of a Gun Cleaner, Precision Oil, Copper Cleaner, Grease Syringe, and Lubricating Cloth..table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }