Jefftron Leviathan Mosfet Unit Version:Version 3 reduces the risk of spring

reduces the risk of spring breakage

Front under rail for attachments (flashlight

and creating a tail of green light following them as they shoot down the range

This is for airsoft use only and not an actual safety helmet

Uses Co2 cartridges (sold separately)

Jefftron Leviathan Mosfet Unit Version:Version 3 reduces the risk of springJefftron Leviathan Mosfet Unit Adjustable burst modes Empty Magazine Detection Adjustable Rate of Fire Adjustable Active Breaking Low Battery Indication and Preservation Pro cocking Continuous firmware updates Uses optical sensors for perfect timing (comparable to GATE) Unique real trigger system to simulate trigger resistance The board is covered by conformal coating to make it waterproof