Five bags come with this kit. The Large Parts & Ammo Bag is perfect for all sorts of ammunition raging from .22,9mm, 556, and various 7.62 rounds. Since VCI technology leaves no residues behind ammunition powder and primers are safe inside the ZCORR Parts & Ammo bag. Also store firearm parts such as extra handgun barrels, magazines, and slides. These bags fit nicely in the 30 caliber ammo cans. You can fit approximately 500 rounds of 5.56 or 500 rounds of 7.62x39 in the can.