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 3/4 – Weight: 1 1/8 oz – Shot Size: 9 – Muzzle Velocity: 1200 fps – Rounds Per Box: 25 – Rounds Per Case: 250