The new ultimate in shotgun sabot slugs. Generates remarkably high velocities with ultra-flat trajectories and devastating on-game performance. Remington patented spiral nose cuts ensure consistent 2x expansion over a wide range of terminal velocities. Flattest shooting slug in existence and 10% better than the nearest competition. Designed for use in fully rifled barrels only. Notes:Designed specifically for rifled barrels but can also be used in smooth bore barrels.