13:1 CNC gearset for V2 & V3 gearbox

CNC machining, enhanced gear to be more durable Replace Marui's Original Gears with this upgraded high Speed ​​Gear 100% steel Lightweight design to maximize performance Lower electricity consumption & lower noise Recommended spring power: M110 or less, (350 FPS max) Suitable for Airsoft AEG models with Version 2 & 3 Gearbox.