This is 12 Gauge Lightfield Law Enforcement Mid-Range Double Ball less Lethal Ammo. The Double Ball is a Mid-range Less Lethal impact munition using two (2) .73 cal. rubber balls. It is intended for low-angle direct or indirect fire at targets between 12 and 30 yards. This is the most accurate less lethal ammo money can buy. This ammo will function in all pump shotguns with a 2 3/4" or 3" Chamber. This ammo is packed in 5rd. boxes.