Ergal bearing piston head with double O-ring (TPGE), the most classic among those produced by FPS. For shotguns with bursts of up to 24 pellets per second. Its adoption significantly improves all the performances of the air group. The special round milling that hides the ventilation holes prevents the premature disintegration of the rubber,which seals the cylinder head. Weight: 11.9 grams 100% MARUI COMPATIBLE 100% MADE IN ITALY
