RIO Ammunition Royal BlueSteel 12 ga 3 1/2in MAX 1 3/8 oz Size 3 1550 fps - 25/box. These shells were specifically designed for nontoxic waterfowl hunting applications guaranteed to perform in even the most adverse conditions. If you are looking for a reliable and high-quality game load specifically for waterfowl hunting look no further than the Royal Blue Steel line of game loads from Rio. These loads come in both 12-gauge and 20-gauge sizes capable of delivering impressive muzzle velocities of up to 1550 feet per second. Specifications for RIO Ammunition Royal BlueSteel 12 ga 3 1/2in MAX 1 3/8 oz Size 3 1550 fps: Manufacturer: RIO Ammunition Gauge: 12 Number of Rounds: 25 Shot Size: 3 Shell Length: 3 1/2 in Muzzle Velocity: 1550 ft/s Application: Multi-Gun Competition Hunting Trap Competition Skeet Sporting Clays Included Accessories: None Shotgun Shot Weight: 1 3/8 oz Shot Material: Steel Primer Style: Centerfire Cartridge Case Material: Plastic Brass Lead Free: Yes Package Contents: RIO Ammunition Royal BlueSteel 12 ga 3 1/2in MAX 1 3/8 oz Size 3 1550 fps What is RIO Ammunition Royal BlueSteel 12 ga 3 1/2in MAX 1 3/8 oz Size 3 1550 fps good for? The manufacturer says that it is suitable for skeet sporting clays trap competition hunting.RIO Ammunition RBSSM403: Royal BlueSteel 12 ga 3 1/2in MAX 1 3/8 oz Size 3 1550 fps - 25/box