With a competitive drive and a never-ending passion for hunting and shooting, OTIS is constantly looking for a better way to help you care for your firearms. OTIS Smart Gun Care products allow passionate gun owners to get more from their firearms. More years. More precision. More rounds down range.Features : Scrapes Carbon and Fouling from the Bolt, Bolt Carrier and Firing Pin 8-32 Threaded Hole to Act as a T-Handle