RIO Ammunition Royal BlueSteel Magnum 12 Gauge 3 1-1/4 Oz 2 Shot 25 Bx/. 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 RBSM362 Royal BlueSteel Magnum 12 Gauge 3" 1-1/4 Oz 2 Shot 25 Bx/: Manufacturer: RIO Ammunition Gauge: 12 Number of Rounds: 25 Shot Size: 2 Shell Length: 3 in Muzzle Velocity: 1400 ft/s Shotgun Shot Weight: 1 1/4 oz Primer Style: Centerfire Length: 3 in Package Contents: RIO Ammunition RBSM362 Royal BlueSteel Magnum 12 Gauge 3" 1-1/4 Oz 2 Shot 25 Bx/ RIO Ammunition RBSM362 Royal BlueSteel Magnum 12 Gauge 3 1-1/4 Oz 2 Shot 25 Bx/