These APS Hakkotsu spare shells are designed for replacing the sound flash shells on your Thunder B sound grenade. This pack includes 12 single-use shells that emit a simulation noise upon detonation. Each shell is made of safe, non-fragmenting plastic and does not contain any pyrotechnics. Perfect for use in training simulations or airsoft games, these shells produce an audible noise and are easy to use.
Compatibility: For use with Thunder B Core Airsoft Grenade System
Application: For Thunder b grenades. Also great for decorative purpose or to hold Airsoft bbs.