Without the use of tools, you can instantly reconfigure the Ti-RANT 45M from a full sized 9-inch silencer into a 6.9-inch compact model, meaning the best selling silencer for 45 Auto, 44 Mag, and 9mm Luger hosts is now even more versatile. Modular design features three front-most advanced 7075-T6 baffles in an easily removable auxiliary baffle module. Entire baffle stack can be easily removed for cleaning and maintenance. 5/8 x 24 adapter enables users to employ their Ti-RANT 45M on semi-automatic rifles, carbines, and pistols chambered in 300 AAC BLK for the purpose of firing subsonic ammunition. Optimized for use on 45 Auto hosts, it also provides excellent sound reduction on 9mm, 300 AAC BLK hosts, and 44 Magnum rifles. No tools needed. Piston sold separately