The Winchester AA Sporting Clays shotshell is part of the legendary AA line that has set the benchmark for target shotshell performance since 1965. The AASC129 is a high-velocity load purpose-built for competitive Sporting Clays and Skeet shooting delivering a 1-1/8 oz payload of #9 lead shot at a brisk 1 300 fps muzzle velocity. Whether you're running a challenging Sporting Clays course or grinding through Skeet rounds the AA Sporting Clays load offers the consistency and pattern density serious shooters demand.Winchester AA Sporting Clays 12 Gauge 2-3/4" 1-1/8 oz #9 Shot25 rounds per box; 250 rounds per case (10 boxes)Muzzle velocity: 1 300 fpsAntimony-alloyed lead shot for enhanced hardness and tighter patternsProprietary Winchester AA wad for reduced felt recoil and improved pattern consistencyWinchester 209 primer and clean-burning powder charge for reliable ignitionHigh-strength plastic hull with brass head - designed for multiple reloading cyclesNew/factory production; manufactured at Winchester's East Alton Illinois facilityThe antimony-alloyed lead shot maintains pellet hardness through the shot column resulting in dense consistent patterns ideal for close-to-medium range clay presentations. The AA wad's engineered design reduces recoil and protects the shot charge for superior downrange performance. High-volume shooters and reloaders alike appreciate the durable brass-headed hull a hallmark of the AA line built for repeated reloading cycles. Whether you're a weekend shooter or a competitive athlete the Winchester AA Sporting Clays load delivers the reliability and performance you expect from one of America's most trusted shotshell brands.