HEVI-Shot HEVI-Bismuth, 28 Gauge 3, Max Dram, 1 oz, #6 Shot Size, 25 Round Box HS18436 Step up your game when you get into the blind with ammunition that works as hard as you do. HEVI-Shot HEVI-Bismuth Waterfowl is 22 percent denser than steel, which lets you drop a shot size from your go-to steel payload yet deliver the same duck dropping lethality. Pushed at blistering velocities, the payloads provide performance that fills limits, and they're safe to shoot in modern and classic shotguns.