Hornady SUPERFORMANCE slugs were specifically engineered to deliver accuracy, penetration, and extremely high weight retention from a rifled barrel shotgun. The MonoFlex bullet is a non-traditional/alternative metal construction that is a fantastic choice for all hunters. This slug round is fueled by a special blend of propellants to deliver maximum velocity for flatter trajectories and enhanced terminal performance. The slug has an internal sabot and gas seal construction which is scientifically engineered to trap gases to deliver uniform pressure and velocity for unparalled accuracy. MonoFlex slugs combine the technology of Hornady's bullet line and the bullet line to create a new MonoFlex slug that gives the advantage of a monolithic slug with a flexible tip. This gilding metal slug offers hunters a solid slug that will not separate, and when recovered, retains 95% of the slugs original weight. The great thing about MonoFlex slugs is that they are tougher than solid copper slu...