Abstract: The present disclosure relates to a tuner system for use with a threaded muzzle end portion of a rifle barrel. The system has a tuning ring having a first threaded wall portion. A muzzle component is included which has a second threaded wall portion for engaging with the first threaded wall portion and enabling adjustable axial positioning of the tuning ring relative to a muzzle end of the barrel. The muzzle component also has a third threaded portion for threadably engaging the threaded muzzle end portion of the rifle. A damping component is included which is interposed between the tuning ring and the muzzle component, and at least partially circumscribes the muzzle end of the barrel.