Winchester Ammunition AA Target, 12 Gauge, 2.75, #7.5, 2 3/4 Dram, 1.125 oz., Shotshell, 25 Round Box AA127 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.