MTM 4 Can Ammo CrateThe MTM 4 Can Ammo Crate is a rugged tactical carrying crate for multi calibre ammo storage and transport. Comes with four, O ring sealed 30 Caliber ammo cans(AC30T) for multi calibre ammo storage. 30 Caliber ammo cans are a convenient size to store all types of bulk ammo. Now you can stack them as tall as you want in these specialized crates. Made of rugged polypropylene to last. Stackable and strapable with four tie down spots for ATV attachment.