From sporting clays to trap and skeet shoots legendary Winchester AA shotshells are ideal for fun shoots and hard-core competitions. It continues the Winchester tradition of legendary excellence with unparalleled target-breaking performance that revolutionized the target shooting and reloading industry. - Gauge: 410 Gauge - Length: 2.50 - Weight: 1/2 oz - Shot Size: 9 - Muzzle Velocity: 1200 fps - Rounds Per Box: 25