Supersonic Target Systems MegaBOOM STS is a pressurizing device that allows you to pump air (you supply the air source – bicycle floor pump, compressor or dive tank) into ordinary, everyday, plastic soft drink or water bottles.

The pressure inside the plastic bottle, when released by the impact of a projectile (arrow, bullet or pellet), causes the bottle to rip at a supersonic speed, resulting in a small sonic boom (up to 150 decibels) that can be heard up to three-quarters of a mile. STS Adapter MegaBOOM™ STS small-bottle adapter (Works with common thin-walled 500mL water bottles).

Powder colours included are Red, White & Blue.