King Arms 9mm Bearing Gearbox Ver.2 with M16 Selector Plate BUIS From setting 4 to 9

From setting 4 to 9 are day time setting from dim to bright

Ready to go for 400FPS without modification

- Suitable for 6mm Plastic Bullet BB

- 21mm Enlarged Nozzle (20% larger than WA 18mm nozzle) is offer even stronger airflow & recoil than previous WA system

03mm diameter

King Arms 9mm Bearing Gearbox Ver.2 with M16 Selector Plate BUIS From setting 4 to 9Essential part for upgrading your Airsoft Electric Gun AEG To build a tight & durable gearbox 9mm Bearing Enhanced Gearbox Coated Copper Conductor Selector Plate for lower resistance Anti Heat & Anti Wearing Construction Suitable for AEG brand: Tokyo Marui As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed SKU KA GB 18 Item Weight (gram) 410 Major Color Silver Built Material Zinc Alloy