Wilson Combat Upper Cleaning Tool w/2 Pads Black. This heavy-duty molded glass-filled polymer upper cleaning tool was developed by our shop to easily make even the filthiest AR upper run like new again. Compatible with AR-15 and AR-10 size receiver openings this tool uses superfine cleaning pads to easily remove caked-on carbon and grease with minimal work to allow your bolt carrier to run smoothly. The tool even cleans the recess for your charging handle at the same time. Simply use the solvent of your choice on the cleaning pads attach to the tool and run through the upper receiver to remove caked-on firing residue deposits. Cleaning pads are reusable and can be washed in warm water. Replacement pads are also available. Specifications for Wilson Combat Upper Cleaning Tool: Manufacturer: Wilson Combat Color: Black Features of Wilson Combat Upper Cleaning Tool This tool uses superfine cleaning pads to easily remove caked-on carbon and grease with minimal work to allow your bolt carrier to run smoothly. Package Contents: Wilson Combat Upper Cleaning Tool Wilson Combat TR-UCT: Upper Cleaning Tool w/2 Pads Black