Nobelsport NSI Steel Waterfowl 12 Gauge 1 1/4 oz 3in #4 Shotgun Ammo 25 Rounds. This Nobelsport Ammunition features 4 shotgun shells that deliver strong stopping power immaculate accuracy and consistency for hunting. . Shop now to get 3 in shells delivered right to your door. With amazing deals every day on Ammunition and other superior shotgun ammo from trusted brands like Nobelsport you re sure to find the ideal effectiveness 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 Nobelsport NSI Steel Waterfowl 12 Gauge 1 1/4 oz 3'' #4 Shotgun Ammunition good for? The manufacturer suggests that it is best for hunting.Nobelsport ANS123ST4: NSI Steel Waterfowl 12 Gauge 1 1/4 oz 3in #4 Shotgun Ammo 25 Rounds