There are a lot of posts on other gun forums about ultrasonic cleaning. I have just started so I'm not sure what I think. I don't have a high end unit, but I've never used a high end unit either so I can't compare it. It does a great job on the internals (sear, etc) but the baked on stuff around the chamber are the most difficult to remove. It saves me a lot of time so I will continue to use it. I'm the type of person that takes at least an hour to clean each pistol by hand, so if it was a multiple pistol range trip it just takes way too long.
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