Match up with 40mm launcher in market.
Volume: 78~110db
Effective range: 20~30m
Loading time: 5~8 seconds
Product size: 4cm x 18cm
Net weight: 335g
It can be filled with 30mm EVA Ball (2 pcs)
Power control unit: Top gas or CO2.                                         
Comes with 3 pcs of EVA balls