The Hexolite 32 shotgun slug is a fragmenting bullet that is the best I have seen. With six break-away petals, This hollow point delivers an impressive amount of damage.
Hexolite 32 is a 32g slug is made by DDupleks. At 1400 fps this slug can be shot out of both smooth and rifled barrels.
The duplex website has a video that demonstrates what this slug can do to a deer. It shows the expansion of the slug on a virtual reality deer.