Equip your self-defense firearm with the Barnes Defense 12-Gauge 9 Pellet 00 Buckshot Shotshells - 5 Rounds. These 12 gauge shotshells boast a 9-ounce shot and deliver 1325-feet per second (FPS) velocity. This 00 Buckshot ammo is constructed with a 2-3/4-inch shell length. Comes with 5 rounds per box.