A full metal version 2 gearbox has the toughness you need for long sessions

When the nozzle is traveling in the forward direction the check valve is sealed

Front and rear flip up iron sights

you can quickly change and adjust key functions of the engine via the on-board FCU (Fire Control Unit) which is no bigger than an AEG's MOSFET and can easily fit inside of a rifles battery compartment along with a small Li-po battery

Enlarged competition style grip with honeycomb grip pattern

P90 300rd Hi-Cap Magazine for P90 Series Airsoft AEG AEG Nozzle A full metal version 2Capacity: 300 rounds. Compatibility: For JG, Echo1, AEG, FN Herstal, Cybergun, Matrix, Tokyo Marui P90 E90 series Airsoft AEG rifle with metal gearbox.