On Sat, 26 Nov 2016 21:48:20 -0500, Alex wrote:

Has anyone used an ultrasonic cleaner for their guns - or boat parts?

I bought one and I'm clear on the cleaning part but have read a lot of
opinions on the best way to lubricate the parts after they are cleaned.

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I have not used one but it's not clear to me that a special lubricant
would be required - anything suitable for normal lube and corrosion
protection in my opinion.