Upgrade your JM9 to a more durable nylon gearbox.

Package Includes:
– Nylon Gearbox Shell (With Mount Screws)
– 6x Original Steel Bushing
– 4x Grip Nut Mounts
– Tappet
– Tappet Return Spring
– Steel 100 Volume Cylinder
– Cylinder Head
– Nozzle
– Nylon 18:1 Gears
– Anti Reverse Latch and Spring
– Piston and Piston Head (With O-Ring)
– Nylon Trigger and Trigger Spring
– Spring Guide and Tension Spring

All Included items are as per pictured