After range go home, take shower, bring rifle in to the shower. While shampooing your head open the action of rifle and pour your favorite shampoo or body wash in to the action and let it drip down through the bore. Rinse your head under the shower and by holding your rifle muzzle down make sure water from your head pours down the barrel of your rifle. Set rifle aside and finish taking shower. Let it dry and then clean as if non corrosive ammo was fired. Problem solved
