Tulammo TA452300: If you are a high volume shooter, this is the ammo for you. These .45 ACP rounds have a 230-grain full metal jacket lead core bullet and are 100% non-corrosive. Steel cases are polymer-coated to ensure smooth cycling. They have a cylinder-shaped steel case with a non-projecting flange. Ammunition comes packages in 50 round commercial boxes with 10 boxes in a 500 round case.We sell this SKU by the 500 Round Case.