This is 12 Ga. Winchester 2 3/4" 16 Pellet #1 Unplated Buckshot Ammo. For superior buckshot performance, you can't beat the stopping power of Winchester buckshot loads. Suggested for predators and personal defense applications. Muzzle velocity of 1250fps. It comes packed in 5rd. boxes, 250rds. per case.
For more detailed product specifications, please visit the manufacturers webpage