These are 12 Gauge Original Shell Crackers, also known as Birdbombs. This ammo will shoot a M-80 style firecracker 100 yards down range, which will pop with a loud report and flash. This ammo is designed to be used for an animal scaring device. By purchasing this ammo you agree that you will use this ammo for bonofide animal control and that you will use this ammo in accordance with all ATF, State and local regulations and laws.