This premium quality Nylon Polymer 14 teeth piston (10 Steel) and cylinder set is designed to provide quick and easy AOE correction on the majority of airsoft AEG rifles. The cylinder is green and boasts double o-rings to provide a perfect air seal for your AEG.

Specifications:

• CNC machined aluminium AOE cylinder head 
• The most effective upgrade for Ver. 2 gearbox
• 10-wear resisting steel teeth AOE piston
• The AOE Piston lasts significantly longer when mated with the AOE Cylinder Head (Hulk green), helping to make your AEG much more reliable
• The AOE Cylinder Head & Piston work independently and together to form a functioning Angle of Engagement/li>
• Lengthened cylinder head for correctly setting AOE in most AEGs