Prometheus EG Hard Gear 18:1 Reinforced for Marui Next Generation Recoil Shock Gearbox

Prometheus EG Hard Gear 18:1 Reinforced for Marui Next Generation Recoil Shock Gearbox Steel Construction Include 18:1 Gear, 18:1 Spur Gear, 18:1 Bevel Gear This gear set has a gear ration of 18:1, this is the perfect reinforced gear set to replace the stock gear set. Suitable For NGRS Next Generation Recoil Shock Gearbox Made in Japan