Barnes Bullets Magnum MZ 50 Caliber Polymer Tip Muzzleloader Sabot Bullets - 24 Count - This unique, magnum load sabot guides its 250 grain polymer tipped, .50-caliber bullet to the highest levels of muzzleloader precisions, with awesome expansion, high weight retention, and deep penetration - a trifecta of deer-dropping performance. For use in all .50-caliber muzzleloaders.