Element airsoft AEG steel gear set with piston.
Replace Marui's original gears with this upgrade steel power gear.
Package with Steel Flat Gear set R85 plus full-teeth piston.
Full teeth piston is made of reinforced plastic and the first teeth are made of metal.
Gear set is the substantial high-cost performance gear set.
Torque up gear is designed to increase torque for pushing higher spring tension in power upgrade AEG.
Suitable for Element, Systema, Laylax & Tokyo Marui Airsoft AEG piston series.
Upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed.