Doubletap Ammunition Hunter .454 Casull 250 Grain Jacketed Hollow Point Brass Cased Pistol Ammo 20 Rounds. Specifications for Doubletap Ammunition Hunter .454 Casull 250 Grain Jacketed Hollow Point Brass Cased Pistol Ammunition: Manufacturer: Doubletap Ammunition Caliber: .454 Casull Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 250 grain Cartridge Case Material: Brass Muzzle Velocity: 1800 ft/s Application: Large Game Primer Style: Centerfire What is Doubletap Ammunition Hunter .454 Casull 250 Grain Jacketed Hollow Point Brass Cased Pistol Ammunition good for? The manufacturer says that it is suitable for large game.Doubletap Ammunition 454C250X: Hunter .454 Casull 250 grain Jacketed Hollow Point Brass Cased Pistol Ammo