Multiple cut-outs to reduce weight
- Increase operating speed and improve efficiency
- Adjustable Blowback part for turning original Blowback to Light Low Blowback
- Suitable for Marui 5.1/4.3/1911 Series Airsoft Gas Blow Black GBB Pistol
- As always, upgrading GBB require necessary skill & technique, consult expertise if needed
Major Color : Black
Built Material : Aluminum
