Winchester 12 Ga 2-3/4" 7.5 AA Diamond Grade 1 1/8oz AADGHA127. 5 AA Diamond Grade 1 1/8 oz Ammunition: Manufacturer: Winchester Gauge: 12 Number of Rounds: 25 Shot Size: 7.5 Shell Length: 2 3/4 in Muzzle Velocity: 1250 ft/s Application: Competitive Shooting Included Accessories: None Shotgun Shot Weight: 1 1/8 oz Shot Material: Nickel-Plated Lead Cartridge Case Material: Plastic Lead Free: No Package Contents: Winchester 12 Ga 2-3/4" 7.5 Aa Diamond Grade 1 1/8 oz What is Winchester 12 Gauge 2 3/4 Length 7.5 AA Diamond Grade 1 1/8 oz Ammunition good for? The manufacturer thinks that it is suitable for competitive shooting.Winchester AADGHA127: 12 Ga 2-3/4" 7.5 Aa Diamond Grade 1 1/8oz