Take the awkwardness and difficulty out of cleaning the chamber area of an MSR/AR style rifle with the use of the Star Chamber cleaning tool. This tool quickly and effectively cleans the star chamber in just a few twists. It 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. Available in 5.56mm and 7.62mm. Comes with 6 cleaning pads.