MegaBOOM is designed to use empty plastic bottles from 500ml to 2 liters into BOOMING targets. The bigger the bottle, the bigger the BOOM! Shoot bottles with arrows, pellets or bullets. (Please use with caution.) RPG (remote relief pressure and gauge) This air valve extension features a pressure gauge to let you know how much pressure is in the target bottle, a clip-on air chuck, and a pressure relief valve to prevent accidental over-pressurizing of the target. Includes valve core tool.
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