AA has been recognized as one of the finest quality target shotshells ever developed continuing the Winchester tradition of legendary excellence with unparalleled target-breaking performance that revolutionized the target shooting and reloading industry. Proven hard shot- tighter hard-hitting patterns high strength hull gives reliable performance and excellent reloadability AA wads specially designed to reduce felt-recoil and improve pattern performance. Primer and powder give consistent dependable and clean burning. - Gauge: 12 Gauge - Length: 2.75 - Weight: 1 1/8 oz - Shot Size: 7.5 - Muzzle Velocity: 1145 fps - Rounds Per Box: 25