Hevi-Bismuth | 410 ga | 3" | #4 | 9/16 oz | Bismuth Shot | 25ct | Bulk Ammo: 10 each of 25 rounds as 250 rounds total
 
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.
100 percent non-toxic payload
9.6 g/cc HEVI-Bismuth pellets are 22 percent denser than steel and alloyed and cast in Sweet Home, Oregon
Safe and effective in both modern and classic shotguns
Hits much harder than steel with more downrange energy
More clean kills
 
https://www.hevishot.com/waterfowl/hevi-bismuth/30-HS19004.html