The new MZL Maximus high BC muzzleloader bullet was designed for use in in-line muzzleloaders and could possibly be the most accurate muzzleloader bullet ever made. These bullets were designed for that after 1-2" of penetration, 4 blades break off and radiate outward away from the main wound channel while the base continues through for even deeper penetration creating a massive amount of trauma. FeaturesWeight: 210 grainsRequired Twist Rate: 1:30" or fasterG1 Ballistic Coefficient: .175OAL: .864"