Ultrasonic cleaning is a harmless and efficient way to clean your possessions or tools to a state of near newness.

Ultrasonic Cleaners use high frequency sound waves to agitate a cleaning solution. The sound waves are powerful enough to induce cavitation (small bubbles) within the cleaning solution. When the bubble collapses it releases a significant amount of energy, in the form of an acoustic shock wave, against the surface being cleaned. This action has sufficient power to overcome the particle- to-substrate adhesion forces, loosening contaminants. It penetrates blind holes, cracks, and irregularly shaped recesses that are difficult to clean using conventional methods. Cavitation also greatly enhances the effectiveness of whatever cleaning solution is being used. 

All firearms will be stripped of stock and scopes. Upon completion the scope will be bore sighted in. I recommend that they are checked at the range before the next big hunting trip.