Airburst MegaBoom STS 2.0 Target System, Ballistic Bag
|Sale Price $24.95|
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Airburst MegaBoom Supersonic Target System (STS) 2.0 Plastic base Attach 1- or 2-liter plastic soda or water bottles for some shootin' fun! (bottles not included) Shooter and all other people in the area should be at least 15 feet from the STS when the bottle is shot You MUST have a safe backstop because the projectile will go thru the bottle For additional effect, add flour or corn starch to bottle before pressurizing Base can be cleaned in the dishwasher if needed 150+ decibels of boom (2-liter bottles deliver a louder boom than 1-liter bottles) Use bolts, arrows, bullets or pellets to shoot bottles Includes directions and ballistic bag to put over bottle when you pressurize it Non-incendiary, non-pyrotechnic Made in the USA
According to the manufacturer, lightweight pellets will penetrate the bottles and exhaust all the air but will not cause a supersonic boom (the bottle doesn't blow up). In .22 caliber, they told us that the lightest pellet that blows up the bottle and causes a boom weighs 14.3 grains. They have not provided a minimum-weight projectile for any other caliber. However, the manufacturer states that slingshot ammo will blow up the bottle (and cause a boom), which suggests that the weight of the projectile is more important than speed. If you use very thin bottles, lighter pellets will penetrate them and cause a boom, but no minimum weight has been provided by the manufacturer.