This 3-piece Survivor Ammo Can by MTM is designed for underground ammo storage and 101 other uses. It is a great way to hide emergency money, food, copies of important documents, basic survival gear, coins and more. The Survivor Ammo Can features a bucket-style body, a double O-Ring sealed lid and a protective cap design. Every Survivor Ammo Can comes with a vapor corrosion inhibitor plastic bag to line the ammo can and a desiccant pack to help with humidity control. The inside dimensions are 7″ (Diameter) x 12.4″ (H) and the outside dimensions are 10″ x 13.5″. Holds up to 500 rounds of .45 ACP. or 223 ammo. Holds up to 16 – 30 round metal AR-15 or M16 magazines.