Big Bore Blowgun features a large caliber .625 Magnum barrel that make them capable of shooting darts that are faster and heavier than other models on the market today! These blowguns have an effective range out to 20 yards or more, and, with practice a skilled user can hit a two-inch circle at amazing distances. Shooting a blowgun is great fun. It is an activity that can be enjoyed indoors or out, in sunny or inclement weather.