The Real Avid Bore Boss is a high-quality, easy-to-use cleaning kit specifically designed for .357, .38 Cal, and 9MM firearms. This bore cleaner is the world’s easiest to use, with a reusable rubber brush that effectively deep cleans your gun’s bore in just a matter of minutes. The vibrant red color makes it easy to spot and the compact design makes it convenient to carry in your range or hunting gear. This bore brush is a must-have for any gun enthusiast looking to keep their firearm in top condition.