WAC 296-52-70040. Construction for Type 3 magazines

(1) Sides, bottoms, and covers must be constructed with a minimum of number 12 gauge metal and lined with a nonsparking material. (2) Hinges and hasps must be attached so they cannot be removed from the outside. (3) One steel padlock, which does not need to be protected by a steel hood, having a minimum of five tumblers and a case hardened shackle of a minimum of 3/8-inch diameter is sufficient for locking purposes.