Pro-Shot Grenade Launcher Cleaning Rod. Bronze bristle; brass coupling and brass core. Specifications for Pro-Shot Grenade Launcher Cleaning Tools: Manufacturer: Pro-Shot Gun Type: Universal Rod Length: 12 in Package Contents: Pro-Shot Grenade Launcher Cleaning Tools The Pro-Shot Grenade Launcher Cleaning Brush 37GLBR is a quality addition to the Pro-Shot lineup. For more great deals on Gun Brushes by Pro-Shot please browse our Pro-Shot Gun Cleaning Kits page. Pro-Shot Grenade Launcher Cleaning Rod