Arthurian Airsoft Excalibur Version 2 gearbox
Replacement gearbox for the Arthurian Airsoft Excalibur series AEGs. These fit all of the Excalibur M4 models which feature the ‘Exchange & Chrono’ quick change spring system.
These are as standard from factory and come with the following parts installed as one piece:
- Gearbox shell
- 8mm Bearings
- Standard 18:1 ratio gearset
- Selector plate
- Bolt release mechanism
- Gearbox screws
- 21.4mm air nozzle
- Polycarbonate tappet plate
- Metal tooth piston
- Piston head
- Piston head o-ring
- Cylinder
- Cylinder head
- Shims
- Cut off lever
- Trigger
- Trigger contacts
- Wiring
- Tappet plate spring
- Trigger spring
- Trigger contact spring
- Cut off lever spring
- Cut off lever screw
- Trigger contact screw
Please note:
These will require a new spring, a compatible Excalibur M4 receiver and an Excalibur spring guide.