Powerbelt Copper AeroTip Muzzleloader Bullets - Like sabots, the PowerBelt Bullet patented snap-on base creates a perfect gas seal, providing consistent pressures, optimized spin, and superior accuracy. But unlike sabots, PowerBelt Bullets are full-caliber sized, easier to load, and don't require cleaning after every shot. The AeroLite Series is designed for standard loads. PowerBelt Bullets .50 Cal Patented snap-on base creates a perfect gas seal Copper AeroTip Easier to load Cleaning not required after every shot Designed for standard loads