Rio Outdoors Corp Rio Royal Buck Magnum 410 Shotshells 410ga 3 5plt 1200fps #00 25/ct. An excellent choice for game home defense and competition the sheer kinetic energy transfer of buckshot means one thing confident knockdown power. A superb choice for whitetail- sized game Rio 12 and 20 gauge Buckshot loads are offered in many pellet sizes including low-recoil options and provide unmatched performance when you need it most. For the ultimate statement in shotgun power Rio s advanced line of slugs ensures you have the confidence needed to take on the toughest targets. Available in 12 and 20 gauge with a variety of payloads and velocities from 1200 to 1550 fps. New for 2025 Rio introduces a dedicated HOME DEFENSE BUCKSHOT LOAD. Package Contents: RIO Ammunition Rio Royal Buck Whether in the field the 3-Gun shoot or when lives are on the line you can rely on Rio Buckshot. An excellent choice for game home defense and competition the sheer kinetic energy transfer of buckshot means one thing - confident knockdown power. A superb choice for whitetail- sized game Rio 12 and 20 gauge Buckshot loads are offered in many pellet sizes including low-recoil options and provide unmatched performance when you need it most. For the ultimate statement in shotgun power Rio's advanced line of slugs ensures you have the confidence needed to take on the toughest targets. Available in 12 and 20 gauge with a variety of payloads and velocities from 1200 to 1550 fps. New for 2025 Rio introduces a dedicated HOME DEFENSE BUCKSHOT LOAD. RBM4103