Action - Aluminum Cylinder Bulb for VFC/Umarex M4 GBB Series - A-VF-16
A-VP-16
FEATURES:
Action Aluminum Cylinder Bulb.
Replace the original plastic cylinder blub of airsoft pistol.
Increase the durability of your pistol.
Design for VFC/ Umarex M4 Series Airsoft Gas Blow Back GBB Pistol.
As always, upgrading GBB require necessary skill & technique, consult expertise if needed.