AmmoDyn 12 Gauge 9 Pellet 2.75in Buckshot Shotgun Ammo 10 Rounds. A full-height brass head reduces cycling issues and supports consistent operation across a wide range of 12-gauge shotguns. Specifications for AmmoDyn 12 Gauge 9 Pellet 2.75in Buckshot Shotgun Ammunition: Manufacturer: AmmoDyn Gauge: 12 Number of Rounds: 10 Shell Length: 2 3/4 in Shotgun Shot Weight: 1.2 oz Cartridge Case Material: Brass Shotgun Pellet Count: 9 Features of AmmoDyn 12 Gauge 9 Pellet 2.75in Buckshot Shotgun Ammunition 00 Buckshot (9-pellet) Full-height brass head Reduced cycling issues Low-recoil feel 2.75in shell Package Contents: AmmoDyn 12 Gauge 9 Pellet 2.75in Buckshot Shotgun Ammunition AmmoDyn SG-12G00BK-10: 12 Gauge 9 Pellet 2.75in Buckshot Shotgun Ammo 10 Rounds