Construct by Metal for reduced friction & low abrasion.
Ensures the smooth & speedy piston movement.
Provide the durability & precision performance.
Remember to apply cylinder grease to ensure this high performance.
Direct replace of original cylinder of airsoft electric gun
Suitable for AK series airsoft electric gun AEG gearbox
Unlike stock plastic chamber which would bend & de-shape
Require expert on installing into stock AEG
Weight with Package: 45g