Here at Infante Ultrasonics, we get asked routinely what is the best method for suppressor cleaning and how well do our machines work. Suppressor maintenance varies as some are completely welded and others break down into removable parts, making some easier to clean than others. Shooting suppressed over an extended period of time with hundreds of rounds in-between months create layers of fouling & various gun debris that become almost impossible to clean after they harden. Suppressors are expensive and without proper maintenance or cleaning, you could substantially decrease the life and performance of the silencer. The article below goes over ultrasonic cleaning of a rimfire suppressor with the S6.