U.S. METAL 50 AMMO CANThe . 50cal Ammo Can is perfect for carrying! Use this ammo can as a dry box for a secure waterproof storage container. The U. S. Military use these boxes for storing ammo. Every box contains a waterproof rubber seal for keeping the water out. The . 50 caliber ammo can will hold 800 rounds of 2. 23 or 5. 56 ammo or 7. 62 ammo. Great for storing tools or any other items you may want to keep out of the weather elements!