Hakkotsu Thunder B CO2 Sound Effect Airsoft / Paintball Simulation Grenade Core Bolts Compatibility: M4/M16 and other compatible

Compatibility: M4/M16 and other compatible Airsoft AEGs

For superior safety

Hi tension locking system keeps stock in the desired position

The M2 MOSAir upgrade board allows the user to custom build their own firing mode

Hakkotsu Thunder B CO2 Sound Effect Airsoft / Paintball Simulation Grenade Core Bolts Compatibility: M4/M16 and other compatibleA Thunder B is an Airsoft simulation grenade that emits noise. It holds a standard 12 gram CO2 cartridge in a fully sealed compartment. Upon pulling the pin, the fire lever, or spoon, snaps down puncturing the CO2 cartridge and starts releasing the pressure from the cartridge until the shell breaks due to air pressure inside the shell resulting in a loud pop sound. The Thunder B Spare Core is perfect as a replacement set and also allows you to have