Breakthrough Clean BT40NBB Nylon Bristle Bore Brush .40
Product Features & Specifications Breakthrough Clean BT40NBB Nylon Bristle Bore Brush .40 Introducing our .40 Cal / 10mm bore brush, an essential component of your handgun cleaning kit. With a #8-32 thread, rugged brass core, and stiff nylon bristles, this brush is designed to effectively attack