The same boat-tail design and 100% copper construction of the Spit-Fire MZ, but with a streamlined polymer tip to enhance expansion. Higher BC for exceptional long-range performance stays intact at extreme velocities, expands at 1050 fps. Sabot makes loading easier without sacrificing the tight gas seal that makes the Spit-Fire MZ and Spit-Fire T-MZ the most accurate muzzleloader bullets on the market. Offered in .50 caliber, 250 and 290 grain weights.