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Gunsmithing Ultrasonic Cleaner Solvent

Re: Ultrasonic Cleaner Solvent

I use the regular stuff supplied by L&R
 
Re: Ultrasonic Cleaner Solvent

I use big table spoon of citric acid (foodstuff additive in granules) and drop of jar and a small table spoon of salt in half a liter of water. It doesn't smell as bad as vinegar and it cleans very well (even the necks). I use the same recipe for "spring" rifle cleaning before using wipeout for copper removal (i did this to prep the barrel for hBN coating).
 
Re: Ultrasonic Cleaner Solvent

The blue windshield washer fluid works great too and is non flammable and cheap.
Guther
 
Re: Ultrasonic Cleaner Solvent

Simple Green or uncented Joy work great.
 
Re: Ultrasonic Cleaner Solvent

Also on really gunked up parts a pre soak in hot water and Purple Power really gets it done. 30% Purple Power to 70% hot water.
 
Re: Ultrasonic Cleaner Solvent

I am trying to clean my M4-2000 supressor from my m16 right now. I have tried the mineral spirits and transmission fluid (3/1mix) and it cleans the bolt great but the supressor still has large hard deposits built up on the first baffle. I left a message at advanced armament but did not get a return call. Do you guys have a recomendation on what to use in a ultrasonic cleaner for this?
 
Re: Ultrasonic Cleaner Solvent

Is air out you need to make sure its completely immersed in "cleaning solution". I also had better results when adding salt to my recipe - maybe someone else has better one...