5KU Airsoft AEG Precision Cylinder (Type-4)

DESCRIPTION :

Essential part for upgrading your Airsoft Electric Gun AEG Rifle 

Construct by Aluminum 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 
Can be installed into Real Sword gearbox without any conversion
 As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed