Abstract: A suppressor for a firearm is disclosed. The suppressor may have a first longitudinal axis and include a mount body for receiving a muzzle of a firearm barrel. The mount body may include a first proximal end, a first distal end spaced from the first proximal end along the first longitudinal axis, a collar adjacent to the first proximal end, and an annular stem adjacent to the first distal end. The annular stem may include a first outer side wall surface which comprises a first screw thread, and a first interior side wall surface which comprises a second screw thread. The suppressor further may include a core connected to the mount body, and a tube disposed over the core and the annular stem. The mount body, core, and tube may form a plurality of chambers for sound signature reduction of a host firearm.