Corbon Ammo Hunting, 44MAG, 320 Grain, Hard Cast, 20 Round Box 44M320HC For over 33 years COR(R)BON's dedicated and skilled team has been developing innovative hunting ammunition for serious hunters traveling around the world to harvest large, tough, and dangerous game. Hard Cast lead bullets are used in both handgun and lever action loads. This hard hitting, straight penetrating design is required for large and dangerous thick-skinned game. This bullet will retain nearly 100% of its weight.