FPS CNC ERGAL DOUBLE O-RING BALL BEARING AEG PISTON HEAD (XPGE)
FPS CNC ERGAL Double O-Ring Ball Bearing AEG Piston Head (XPGE).XPGE new version with X-RING and one piece plastic shim for AOE.The FPS ERGAL piston head is a great upgrade that will increase the efficiency of airflow through the cylinder.This piston head has ports on the front to push out...