This is a thorough, step-by-step guide to disassembling the GHK G5. I will show you how to remove and re-install the fire control group, barrel and hop-up, and nozzle.
If you have any questions, please ask me in the comments!
Here are some timestamps, to help you find the specific part that you are looking for:
00:00 - Intro
00:54 - Stock Adapter
01:54 - Magazine Release
02:26 - Pistol Grip
02:48 - Rear Pin
03:43 - Fire Selector
05:16 - Fire Control Group
10:10 - Lower Receiver Reassembly
29:03 - Upper Receiver
29:14 - Barrel Assembly
30:15 - Hop-up Casing
31:19 - Hop-up
32:06 - Upper Reassembly
35:36 - Bolt Disassembly
35:48 - Recoil Spring
36:25 - Nozzle
37:29- Bolt Reassembly
41:41 - Putting everything back together
42:34 - Outro
