Original Parts M-20 for M4 GBB [GHK]
Original Parts M-20 from GHK is an OEM replacement component designed for GHK M4 gas blowback rifles. Manufactured to factory specifications, this part is intended to restore the original function of the rifle when replacing worn or damaged components.
Identified as part number M4-20, this component is used within the receiver assembly and maintains proper alignment and secure connection of the rifle’s structure. Built as a genuine GHK replacement part, it ensures compatibility with the original M4 GBB system and installs as a direct replacement.
This part is ideal for maintenance or repair when servicing your GHK M4 platform.
Key Features
Genuine OEM replacement part from GHK
Part number: M4-20
Designed for GHK M4 GBB rifles
Manufactured to factory specifications
Direct replacement for maintenance or repairs
Keep your GHK M4 platform operating correctly with original factory components designed for proper fit and function.


