HEVI-Shot HEVI-Teal 20 Gauge 7/8oz 3in #6 Centerfire Shotgun Ammo 25 Rounds. Shot Density: 7.8 g/cc. Specifications for HEVI-Shot HEVI-Teal 20 Gauge 7/8oz 3in Shotgun Ammunition: Manufacturer: HEVI-Shot Gauge: 20 Number of Rounds: 25 Shot Size: 6 Shell Length: 3 in Muzzle Velocity: 1400 ft/s Application: Waterfowl Shotgun Shot Weight: 7/8 oz Shot Material: Steel Primer Style: Centerfire Cartridge Case Material: Brass Lead Free: No Fabric/Material: Steel Package Contents: HEVI-Shot HEVI-Teal 20 Gauge 7/8oz 3in Shotgun Ammunition What is HEVI-Shot HEVI-Teal 20 Gauge 7/8oz 3in Shotgun Ammunition good for? The manufacturer thinks that it is good for waterfowl.HEVI-Shot HS62006: HEVI-Teal 20 Gauge 7/8oz 3in #6 Centerfire Shotgun Ammo 25 Rounds