RIO Ammunition ECO BlueSteel MGN 32 12 Gauge 1 1/8 oz 3 inch Shotgun Ammo #4 10 Rounds Blue. Suitable for hunting in wetlands and protected areas. Specifications for RIO Ammunition ECO BlueSteel MGN 32 12 Gauge 3in Shotgun Ammunition: Manufacturer: RIO Ammunition Gauge: 12 Number of Rounds: 10 Shot Size: 4 Shell Length: 3 in Application: Hunting Included Accessories: None Shotgun Shot Weight: 1 1/8 oz Shot Material: Steel Primer Style: Centerfire Cartridge Case Material: Plastic Lead Free: Yes Color: Blue Features of RIO Ammunition ECO BlueSteel MGN 32 12 Gauge 3in Shotgun Ammunition: Zero plastic wad 100percent water soluble 100percent biodegradable 1410 fps Package Contents: RIO Ammunition ECO BlueSteel MGN 32 12 Gauge 3in Shotgun Ammunition What is RIO Ammunition ECO BlueSteel MGN 32 12 Gauge 3in Shotgun Ammunition good for? The manufacturer suggests that it is best for hunting.RIO Ammunition REBSM324: ECO BlueSteel MGN 32 12 Gauge 1 1/8 oz 3 inch Shotgun Ammo #4 10 Rounds Blue