Prometheus EG Hard Gear 20:1 Double Torque for Marui Next Generation Recoil Shock Gearbox

Prometheus EG Hard Gear 20:1 Double Torque for Marui Next Generation Recoil Shock Gearbox Steel Construction Include 20:1 NGRS Gear, 20:1 NGRS Spur Gear, 20:1 Improved Semi-auto Bevel Gear Allowing your Rifle to have Extra Torque and perform better than stock Precision Machined, Heat Treated, and Forged to the Highest Standards Due to such precision machining, you can expect a much quieter gear mesh sound even at higher FPS and fire rates Suitable For NGRS Next Generation Recoil Shock Gearbox Made in Japan