The INCREDIBLE 12 Gauge 2 3/4" Sledge Hammer Hollow Point Slug. Featuring a newly increased 685 grain slug, designed for deep penetration with a hollow point cavity that is extremely deep for maximum expansion. 3 degree stabilizing fins make for precise accuracy in both smooth bore and rifled shotguns. The Sledge Hammer Slug travels at 1,175 FT/PS and has 2,100 FT/LB of energy. These can be shot through a full choke. The Sledge Hammer Slug is an extreme defense round. Sold in 5 Round Pack. 12 Gauge 2 3/4"