Otis Technology Star Chamber Cleaning Tool 7.62MM/AR-10 Platforms Black. This tool quickly and effectively cleans the star chamber in just a few twists. The Otis Tech Star Chamber Gun Cleaning Tool features a scraper to remove fouling build-up and felt pads to pick up the fouling loosened by the scraper. The nose piece centers the tool in the chamber for proper cleaning. With 8-32 threads a chamber brush or other scraper components can be attached to this tool for added cleaning. For an amazing way to be sure your fire arm is clean and ready for action choose the Otis Star Chamber Cleaning Tool. Specifications for Otis Technology Star Chamber Cleaning Tool: Manufacturer: Otis Technology Quantity: 1 Threads per Inch: 8-32 Gun Make: AR Platform Depth/Thickness: 4 in Gun Type: Rifle Width: 9 in Height: 1.5 in Condition: New Features of Otis Technology Star Chamber Cleaning Tool The coated brass nose piece centers the tool in the chamber for proper cleaning while ensuring it won't scratch or damage the firearm. With 8-32 threads a chamber brush or other scraper components can be attached to this tool for added cleaning. Package Contents: Otis Technology Star Chamber Cleaning Tool Otis Technology FG-2717: Star Chamber Cleaning Tool 7.62MM/AR-10 Platforms Black