XTB Gear Box Set

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A complete replacement XTB Gearbox!


  • Heavy Duty Cast Gearbox (Zamak 5)
  • Aircraft Aluminium CNC Cylinder Head & Cylinder
  • Nylon Nozzle & Hard Rubber Tip
  • High Strength Tappet Plate
  • Machined Steel Gearset
  • 8mm steel bearings
  • Modify Quantum Piston (Full Metal Rack) & Lightweight Piston Head
  • Black O'Ring 
  • Skeletonized Flat-face Competition Style Trigger
  • Dummy Bolt Catch
  • Silver Wiring Kit

*Please note the gold ambi gears & spring guide do not come with the gearbox*