Systema Helical Regular Ratio Gear Set for Airsoft AEGs with Free Shipping!
Replace Marui's Original Gears with this upgrade.
Systema Gear Set is the substantial high-cost performance gear set.
The gears in the set are extensively redesigned and made with renewed materials.
Best use in conjunction of higher voltage battery
It is designed for Ultra Power Upgrade user
Suitable for Tokyo Marui Airsoft AEG models with Version 2 & 3 Gearbox