Guarder Enhanced Hop Up Chamber Set for for Marui G17/G18C/G22/G34 GBB

Guarder Enhanced Hop Up Chamber Set for for Marui G17/G18C/G22/G34 GBB Aluminum/Steel Construction (With Hard Anodize Coating Process) Unlike stock plastic chamber which would bend & de-shape, this metal one give you rigidity Fix Original part broken problem Enhanced Steel Hop-up lever Suitable for Tokyo Marui G17/ G18C/ G22/ G34 Series Airsoft Gas Blow Back GBB As always, upgrading GBB Gun require necessary skill & technique to dissemble the gearbox, consult expertise if needed