Hakkotsu Thunder B CO2 Grenade Core Set 95324 The FAST’s built-in front/rear BUIS

The FAST’s built-in front/rear BUIS is perfect for backup on super short PDW/SMG platforms where rail space is critical for mounting lights and lasers

Color – Black

shots will be fired not only when the trigger is pressed

G&G made for use in its guns and all other types with a long and short option

Hakkotsu Thunder B CO2 Grenade Core Set 95324 The FAST’s built-in front/rear BUISA 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