Advanced Armament Corp Ti-Rant 45M, Modular Pistol Suppressor, 45 ACP, Grade 9 Titanium, PVD Finish, Black, 1.4 Diameter, Does Not Include Piston 64110 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.