RIO's Royal BlueSteel Game Load excels in performance with powders and cartridge wads that are specifically designed for the challenges of steel shot ensuring reliable performance and results. High velocities, perfectly spherical steel shot and multiple shot sizes give you the killing power you need under adverse hunting conditions. RIO's Royal BlueSteel Game Load provides great patterns and superb knockdown power combined with an eye-catching steel design. This super magnum 12 gauge load has a BB shot size.