The Barnes Spit-Fire TMZ Muzzleloader Bullet with Sabot line of ammunition is the perfect choice for the big game hunter. These sabot loads have been redesigned to achieve greater speed while still maintaining a super-tight gas seal that makes it one of the most powerful and accurate muzzleloading bullets on the market.In addition to its 100 percent copper construction and streamlined boattail design the Barnes Spit-Fire T-EZ Muzzleloader Bullet with Sabot line of ammunition features a newly designed polymer tip with a higher ballistic coefficient and rapid expansion at 1050 feet per second.