I got one... its a lymen i beleive... heats and has a 4 min timer.
You cant clean guns in tact.. still gotta take it apart and clean the parts... i add simple green and water mixture.
Brass.. it cleans ok, but nothing like stainless pin rotory tumblers do..
You dont need a long timer on them... maybe run it twice...
It makes certain metals rust too if your not careful what you use it on.
Cheap guns ita strip the bluing off em if you arent careful what additive you use... gun part additive stripped bluing... simple green mixed with water has worked way better for me..