Rio Royal Buck 15P Magnum Features The Rio Royal Buck 15P Magnum loads 15 pellets of #00 buckshot into a 3-inch 12-gauge high-brass hull driving them at 1 200 fps to deliver the overwhelming terminal energy and pattern density that makes buckshot one of the most decisive close-range payloads available. Each of the 15 double-aught pellets contributes independently to energy transfer on target making this load an authoritative choice for whitetail-sized deer hunting where knockdown power and pattern coverage at moderate distances are critical. Rio s proven primer and wad system ensure consistent ignition and uniform pellet distribution from the choke to the target maximizing effectiveness on every shot. Rio s Royal Buck line extends from field hunting to 3-Gun competition and home defense applications with a pellet count and velocity combination tuned to deliver reliable decisive performance across all of these demanding use cases. The 3-inch magnum hull provides the capacity for the 15-pellet payload while maintaining reliable function in standard 3-inch chamber shotguns. For hunters competitors and defensive shooters who rely on buckshot for confidence when it matters most the Rio Royal Buck 15P Magnum 12 GA is available in a 10-round box for sale at GrabAGun. Rio Royal Buck 15P Magnum Specifications Manufacturer: Rio Model: Royal Buck 15P Magnum Brand Family: Royal Buck Brass Type: High Brass Case Material: Plastic Gauge: 12 GA Load: 15 Plts Primer: 209 Rounds: 10 Shot Material: Lead Shot Size: 00 Shotshell Length: 3 Available At: GrabAGun