is there high humidity in your house? Possiblly the safe itself? You may want to get one of the de-humidifying units for your safe. Also, try Inhibitor oil on the outside surfaces of your guns adn dont touch the metal after you wipe it down. The cheapest way to go is the Inhibitor oil. I have used it with great success on all of my guns in storage. Also, just check on them every once in a while and keep an old sock loaded wiith that oil and wipe em down.
