Federal Black Cloud FS Steel 16 Gauge 7/8oz 2 3/4in Shotgun Ammo 4 Shot 25 Rounds PWBX167. This Federal Ammunition features 4 buck 2 shotgun shells that deliver strong stopping power superior accuracy and consistency for waterfowl. . Shop now to get 2 3/4 in shotgun shells delivered right to your door. With amazing deals every day on Ammunition and other high-quality shotgun ammo from trusted brands like Federal you re sure to find the perfect firepower for your next hunting trip or range visit. Stock up today to save big on shells and other top-tier tactical hunting and outdoor gear at OpticsPlanet. What is Federal Black Cloud FS Steel 16 Gauge 7/8oz 2 3/4'' Shotgun Ammunition good for? The manufacturer suggests that it is suitable for waterfowl.Federal PWBX167 4: Black Cloud FS Steel 16 Gauge 7/8oz 2 3/4in Shotgun Ammo 4 Shot 25 Rounds