Gun Storage

A humid climate dictates extreme vigilance for gun storage. Here is general guidance:

1.) Clean thoroughly, lubricate heavily, and inspect frequently.
2.) If storing guns in a vault or a wall cache, invest in a Golden Rod dehumidifier. But don't expect it to be a miracle panacea. Mark your calendar with reminders for monthly inspections!
3.) Never, ever use a muzzle cap for more than an hour or two. They are for use in the field, not for storage!
4.) R.I.G., silica gel, and and VCI paper are your friends.
5.) If you use grease or a heavy coating of oil in a gun bore and/or its chamber, then be sure to tag the gun with a prominent reminder to yourself to remove the grease it before firing. (Not doing so can be a safety hazard!)
5.) Do NOT use oxygen absorbing packets for gun storage! These are designed specifically to kill insect larvae in stored food. These packets use a chemical reaction of moisture, salt, and ferric oxide (rust!) to consume the oxygen in a confined space. These packets can be bad news for stored guns. Instead, silica gel is recommend to prevent rust. Silica gel packets also have the advantage that they can be re-used many times if you dry them out in an oven or a dehydrator overnight. (Since they employ a chemical reduction process, oxygen absorbing packets can only be used once.)

Source: www.survivalblog.com