Silent Bearing CNC Double O'ring Cylinder Head for Airsoft AEG Ver. 2 /3 Gearbox
2 /3 Gearbox. Fit:For Version 2/3 AEG Airsoft Gearboxes. Essential part for upgrading your AEG. Type:Silent CNC Double O'ring Cylinder Head. Tactical BDU Combat Suit. Ball Bearing Piston Head absorb most of the tension from the spring.