Spare parts for GHK M4 GBBR
- Lower receiver, aluminum alloy made.
- GHK versions for option (Original Navy / Blank / COLT M4A1)
- The blank version receiver is completely no marking, no words of semi, auto mode on it.
Spare parts for GHK M4 GBBR
- Lower receiver, aluminum alloy made.
- GHK versions for option (Original Navy / Blank / COLT M4A1)
- The blank version receiver is completely no marking, no words of semi, auto mode on it.