Since 1965 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. - AA Wads: Specially designed to reduce felt-recoil and improve pattern performance - Best-in-Class Primer and Powder: Consistent dependable and clean burning - High-Strength Hull: Reliable performance and excellent reloadability - Proven Hard Shot: Tighter hard-hitting patterns