Guarder AEG Bore-Up Polycarbonate Piston Head (GG08-09)

The Guarder piston head is lightweight and makes less noise compared to its metal counterparts. The vent holes around the head help ensure good airflow and the bearings help reduce the overall friction and over-tensioning of the spring.

Features:

• Durable polycarbonate construction
• The bearing ring prevents excess spring tension
• Silicone O-ring for better air seal
• Fits most EM Spec AEG Gearboxes