Sold Item #C701 Hornady Custom 454 Casull Cartridge Maker: Model: Ammo Caliber/Gauge: Description: 1 Box of 20 Custom Factory Cartridges. Caliber 454 Casull. Not a common round, 1650 FPS muzzel at 50 yards. Select Related Products: "Ammo" To see our other related products, select any combination of Maker, Model or Caliber above. By clicking on a check box you will add or remove a parameter for related product suggestions.