Iosso Products 19007 Bore Brush .243-6mm Cobalt Blue Fiber Multiple Use

The Iosso Eliminator Bore Brush (Model 19007) is a .243/6mm caliber cleaning brush wound with a thick, stiff cobalt blue fiber that allows back-and-forth scrubbing action unlike traditional brass or bronze brushes. Its tighter winding and higher fiber-per-inch density make it reusable across multiple cleaning sessions while effectively removing copper, lead, plastic wad, and carbon fouling.