Designed for smooth-bore barrels, the Hornady American Whitetail® 12 Gauge Rifled Slug Shotshells have hollow-point, lead-alloy cores. A compression-style wad protects the slug at ignition and helps seal the bore for maximum velocity. Hornady American Whitetail 12 Gauge Rifled Slug Shotshells, 1 Oz - Lead And Trky Shot Shells at Academy Sports