its generally safe for gun parts depending on the solution used. just dont put plastic parts, polymer parts or sights that arent just plain metal sights with no inserts.
still have to swab the bore and lube as normal. no getting around that.
"Gun control: The theory that a woman found dead in an alley, raped and strangled with her panty hose, is somehow morally superior to a woman explaining to police how her attacker got that fatal bullet wound." — L. Neil Smith
The problem with being stupid is you cannot simply decide to stop doing dumb things...
"I crapped my pants to avoid the draft!!" -Ted Nugent