Rio Ammunition BlueSteel Royal RBSSM402 12 Gauge 3.5in

The Rio Ammunition BlueSteel Royal RBSSM402 is a Super Magnum 12 Gauge shotshell in a 3.5-inch length. It is loaded to 1 3/8 ounces with a listed shot size of 2 and is packaged 25 rounds per box (10 boxes per case). Manufacturer materials describe the BlueSteel line as a modern, non-toxic Super Magnum construction intended to deliver consistent patterns and elevated muzzle velocity. There is conflicting information about the shot composition; see notes for details.

Key Specifications

• Manufacturer: Rio Ammunition.
• Model: RBSSM402.
• The cartridge is listed as 12 Gauge.
• The shell length is 3.50 inches.
• The charge weight is 1 3/8 oz.
• The shot size is 2.
• The reported muzzle velocity is 1550 fps.
• Packaging is 25 rounds per box.
• There are 10 boxes per case.
• Category: Shotgun Shells.

Designed and marketed for high-velocity Super Magnum applications, this load is positioned for waterfowl and field use where consistent patterns and extended range performance are desired. The BlueSteel Royal shells pair a heavy charge with a reported 1550 fps muzzle velocity to support consistent downrange performance and reliable function in modern 3.5-inch shotguns. Review the notes for a single outstanding data point that requires verification before making a final selection.