Advanced Armament Corp Ti-Rant 9M-HD, Modular Suppressor, 9mm, Grade 9 Titanium, PVD Finish, Black, 1.4 Diameter, Does Not Include Piston 65000 AAC's standard-setting 9mm pistol silencer is back, now in a modular format. With the Ti-RANT 9M-HD, the sweet sound shooters have loved for nearly a decade is now available in a user-configurable design, with no tools required.