Tippmann Arms Barrel Carbon Removal Tool Black 13 1/2in. This tool isspecificallydesigned to remove the carbon build-up from inside the RCR Ultra-Light S7 Barrel. The cutter will not damage the crown of the barrel. Specifications for Tippmann Arms Barrel Carbon Removal Tool: Manufacturer: Tippmann Arms Size: 13 1/2 in Color: Black Features of Tippmann Arms Barrel Carbon Removal Tool Quickly Removes Carbon For use with the RCR Ultra-Light S7 Barrel Will not damage Barrel Crown Package Contents: Tippmann Arms Barrel Carbon Removal Tool Tippmann Arms A201195: Barrel Carbon Removal Tool Black 13 1/2in