For high accuracy and penetration even at longer distances and slower speeds, use Hornady MonoFlex ML High Speed/Low Drag 50 cal 250-Grain Sabot Muzzleloading Ammunition. The nontraditional/alternative metal construction bullets are made of a copper alloy and topped with Flex Tip® technology for uniform and reliable expansion. They retain 95% of their original weight and are recommended for medium game. Hornady MonoFlex ML High Speed/Low Drag 50 cal 250-grain Sabot Muzzleloading Ammunition - Black Powder Guns at Academy Sports