The Master Mods piston is made from an extremely hard polycarbonate making it suitable for most AEG builds whether you have a high speed, high torque or just a standard setup.

This set includes the Master Mods reinforced aluminium piston head for super smooth air flow.

• Heat treated 15+1 full steel teeth rack
• Compatible with most piston head designs
• Teeth profile optimised for optimum angle of engagement