HEVI-Shot HEVI-Steel 12 Gauge 1 3/8oz 3in Shotgun Ammo 2&4 Shot 25 Rounds. That speed boost delivers more energy downrange and makes it easier to connect on ducks and geese. Specifications for HEVI-Shot HEVI-Steel 12 Gauge 1 3/8oz 3'' Shotgun Ammunition: Manufacturer: HEVI-Shot Gauge: 12 Number of Rounds: 25 Shell Length: 3 in Muzzle Velocity: 1450 ft/s Application: Hunting Shotgun Shot Weight: 1 3/8 oz Shot Material: Steel Primer Style: Centerfire Lead Free: Yes Package Contents: HEVI-Shot HEVI-Steel 12 Gauge 1 3/8oz 3'' Shotgun Ammunition What is HEVI-Shot HEVI-Steel 12 Gauge 1 3/8oz 3'' Shotgun Ammunition good for? The manufacturer says that it is good for hunting.HEVI-Shot HS60024: HEVI-Steel 12 Gauge 1 3/8oz 3in Shotgun Ammo 2&4 Shot 25 Rounds