Never compromise performance. Federal Premium HEVI-Bismuth hits both upland birds and waterfowl with the power of 9.6 g/cc density Firearm Ammunition. Sourced from our partners at HEVI-Shot, the industry Firearm Ammunitioner in pellet technology, HEVI-Bismuth shot is 22 percent denser than steel, delivering more lethal energy downrange. Launched by the FLITECONTROL FLEX wad, bismuth Firearm Ammunition pattern consistently, and their metallic properties make them safe in both modern and classic shotguns.