SJ MP5 MP5k Gearbox w/ Metal Gears

Original sijun sj mp5 nylon gearbox, compatible with sj mp5 and mp5k gel blasters. It's with xt30 plug and metal gears.

Specifications:

Brand: Si Jun.
Material: nylon.
Gear material: metal.
Color: black.
Plug type: xt30 plug.
Packing includes:1x sj mp5 gearbox.