HEVI-Shot Hevi-Bismuth Upland .410 Bore 9/16oz 3in Shotgun Ammo 25 Rounds. HEVI-Bismuth Upland payloads are 22 percent denser than steel to deliver more pellets on target and maximum knockdown power. They meet nontoxic requirements and are safe for fixed-choke barrels and modern shotguns. Specifications for HEVI-Shot Hevi-Bismuth Upland .410 Bore 9/16oz 3in Shotgun Ammunition: Manufacturer: HEVI-Shot Gauge: .410 Number of Rounds: 25 Shot Size: 5 Shell Length: 3 in Muzzle Velocity: 1300 ft/s Application: Upland Shotgun Shot Weight: 9/16 oz Shot Material: Bismuth Lead Free: Yes Application: Hunting Features of HEVI-Shot Hevi-Bismuth Upland 410 Gauge 0.56 oz 3in Shotgun Ammunition 100 percent non-toxic payload; 9.6 g/cc HEVI-Bismuth pellets are 22 percent denser than steel and alloyed; Safe and effective in both modern and classic shotguns; Package Contents: HEVI-Shot Hevi-Bismuth Upland 410 Bore 0.562oz 3in Shotgun Ammunition What is HEVI-Shot Hevi-Bismuth Upland .410 Bore 9/16oz 3in Shotgun Ammunition good for? The manufacturer thinks that it is good for upland.HEVI-Shot HS19715: Hevi-Bismuth Upland 410 Bore 0.562oz 3in Shotgun Ammo 25 Rounds