This is a fully UPGRADED Gen9/10 Nylon Gearbox.
All shimming, greasing, and wiring done.

What’s in the box:
1. Metal Ball Bearing Spring Guide
2. 1.3 Unequal Spring
3. Nylon Outer Shell
4. Polymer Plunger Steel Teeth (O-Ring Upgraded)
5. Metal Anti Reverse Latch
6. Silver Wiring (Mini Tamiya)
7. Metal Gears (Shimmed)
8. Warinterest Ported Brass Cylinder
9. Upgraded Nylon Flexi Tappet
10. Strong Stainless Return Spring
11. Solid Brass Padded Cylinder Head
12. Solid Brass O-Ring Nozzle
13. Metal Curved Trigger

Working Safe/Semi/Auto Selector Function

Please note the wiring plugs will be in the Mini Tamiya Plugs style to sustain the silver wiring upgrade.
Please note cylinder may be different style/colour. Function reamains the same