only use solvent inside the barrel to remove copper deposits. breakfree clp does an excellent job of removing carbon and dirt everywhere else. a lightly covered clp patch will remove solvent from the barrel followed by a dry patch or two to remove excess clp.
this is the basic for any rifle shotgun or handgun.
"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...