The SmackdownA(R) MZX(TM) bullet is a great choice for those who prefer a sabot-less projectile or may be in a state where you cannot use sabots and don't want to compromise on performance. The performance-proven SmackdownA(R) bullet line delivers unparalleled accuracy and are the best muzzleloading projectiles on the market. The SmackdownA(R) MZX(TM) bullets feature: Easy seating shot after show for quick reloading High weight retention delivers knockdown power Copper Alloy Jacket Maximum expansion and deadly penetration Ultimate choice in full-bore accuracy .50 Caliber 290 Grain .499 Dia