The hop-up rubber MAPLE LEAF "WONDER" type has been specially designed to significantly improve the range of shots.
Secret lies in the innovative shape of the element that is making spin for bb - "DIAMOND". It is thanks to this unique shape the range of shots increases significantly.
The seal rings provide additional sealing and prevent the rubber from moving inside the chamber.
The 70 ° hop-up rubber is recommended for 360 til 459fps replicas.