Wolverine Airsoft SMP Engine Premium FCU

Wolverine Airsoft's Premium FCU is compatible with both sister lines of Wolverine's SMP engines, the INFERNO and HYDRA. This FCU allows all the tweaking and tuning for Dwell and Rate of Fire via analog screws. Features: Adjustable Dwell and Rate of Fire Compatible with the Wolverine SMP INFERNO and HYDRA engines Powered by a standard 7.4v Lipo with JST connector