Aluminum Alloy Cylinder Head with O-Ring Pad for M4 Series Airsoft AEG Rifles

Part: Cylinder (with O-Ring Pad)
Application: Version 2 Gearbox (AK/MP5K/FAL)
Color: Red
Dimension: 23mm×24mm
Material: 6063T6 Aluminum Alloy
Process: CNC
Features:
Precision CNC machined aluminum construction
Double rubber o-ring design for an improved seal to minimize compression loss
Rubber bumper absorbs impact shock from piston head