Octopus FMG Box Kit w Extended Barrel For Marui G18C Series BK 
 
<<Alert>>
We modified a lot at the box inside special at the trigger position, you can see a bit rough inside, but good for your assmeble
 
FMG Box Kit Only For Marui G17 Series
Material Made By Polymor & Nylon, Buttons Mostly By Steel
Extended Barrel Manufacturing By FCW
For Marui Clone G Series, Certain Modification Must Be Needed
Marui Clone G Series (WE, Double Bell, Army, Golden Eagle)
CANNOT Fit with Umarex / VFC G Series
Extended Barrel By FCW
Rear Sight Replacement Alumimium Small Part By FCW
Thin G18C Selector By FCW
ABS Nylon Magazine Base By FCW