HEVI-Shot HEVI-Steel 20 Gauge 1oz 2-3/4in Shotgun Ammo 7 Shot 25 Rounds. This HEVI-Shot Ammunition features 7 6 shotgun shells that deliver strong stopping power immaculate accuracy and consistency for hunting. . Buy now to get 2 3/4 in shotgun shells delivered right to your door. With amazing deals every day on Ammunition and other superior shotgun ammo from trusted brands like HEVI-Shot you re sure to find the perfect firepower for your next outdoor adventure or training session. Stock up today to save big on shells and other top-tier tactical hunting and outdoor gear at OpticsPlanet. What is HEVI-Shot HEVI-Steel 20 Gauge 1oz 2-3/4'' Shotgun Ammunition good for? The manufacturer says that it is best for hunting.HEVI-Shot HS62027: HEVI-Steel 20 Gauge 1oz 2-3/4in Shotgun Ammo 7 Shot 25 Rounds