This round contains rock salt. It is used for less than lethal force. Due to the light weight of the shot material, it should be used at distances of not less than 20 yards or more than 50 yards from your target. Perfect for home defense or animal control where you are looking for less than lethal. 5 Round Pack, 2 1/2″ Round. Ammo purchasers are responsible for use and compliance with all federal, state and local laws. Free shipping on ammo orders over $250. Ammo is shipped by UPS Ground Only.