AIP Adjustable Blowback Housing for Marui 5.1/ 4.3 / 1911

Currently out of stock across all retailers.

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