Winchester Super-X has been one of America's most trusted shotshell lines since 1922 and this .410 Bore 3-inch 000 Buckshot load upholds that legacy. Each shell is packed with 5 pellets of hard lead 000 (triple-aught) buckshot - the largest standard buckshot size at approximately .36 inches in diameter - delivering serious energy transfer and deep penetration from the .410 platform at a muzzle velocity of 1 135 fps.Winchester Super-X .410 Bore 3" 5 Pellet 000 Buckshot5 rounds per box5 lead pellets per shell | ~.36" (9.1 mm) pellet diameterMuzzle velocity: 1 135 fpsHard lead shot for consistent spherical shape and tighter downrange patternsEven-patterning wad for uniform pellet spread and bore protectionClean-burning propellant to minimize foulingSensitive Boxer primer for reliable ignition in varied conditionsExtruded plastic hullMade in the USA | SKU: XB413Designed for personal defense predator control and varmint hunting this load performs best within approximately 35 yards - well within the effective envelope for applications like home defense and coyote hunting. Winchester's hard shot formula resists deformation during ignition preserving pellet integrity for more consistent patterns. Whether you're reaching for the .410 as a defensive firearm or a field tool the Winchester Super-X XB413 delivers proven American-made performance.