Federal Premium Ultra Steel Waterfowl 20 Gauge 3 in 1oz 2 Shot Shotgun Ammo 25 Round PWUX209. Federal Premium Ultra Steel blends the rear-opening FLITECONTROL FLEX wad with a payload of best zinc-plated steel producing extremely tight patterns and extending effective range. Specifications for Federal Black Cloud 20 Gauge 1oz 3 in Shotgun Ammunition: Manufacturer: Federal Gauge: 20 Number of Rounds: 25 Shell Length: 3 in Muzzle Velocity: 1400 ft/s Application: General Shotgun Shot Weight: 1 oz Shot Material: Steel Primer Style: Centerfire Cartridge Case Material: Plastic Lead Free: Yes Fabric/Material: Steel Rear-opening FLITECONTROL FLEX wad Premium zinc-plated steel Extremely tight patterns Reliable primer and clean-burning propellant Package Contents: Federal Black Cloud 20 Gauge 1oz 3 in Shotgun Ammunition What is Federal Black Cloud 20 Gauge 1oz 3 in Shotgun Ammunition good for? The manufacturer says that it is good for general.Federal PWUX209 2: Premium Ultra Steel Waterfowl 20 Gauge 3 in 1oz 2 Shot Shotgun Ammo 25 Round