CNC Aluminum Ball Bearing Mushroom Type Piston Head for Airsoft AEG

Part: Piston Head
Application: Most Version 2, 3, 6, 7 AEG Gearboxes with mushroom type
Color: Red
Dimension:19mm×23.3mm
Material: Aluminum Alloy
Features:
Precision CNC machined aluminum
Smooth anodized finish
Vents expand o-ring for optimum air seal
Ball bearing mount for smooth operation