Tokyo Marui - M4 Upper Receiver (Gearbox Spacers) For M4 Next Generation Recoil Shock Series
Upper receiver gearbox spacers on the LATEST VERSIONS of M4 NGRS series
Tokyo Marui - Original Part Number - NGM4-120
Because all brands have different dimensions we can only confirm this to be a 100% fit for the Tokyo Marui Guns listed below unless specifically stated otherwise.
Confirmed To Fit -
Tokyo Marui - M4 Sopmod Next Generation Recoil Shock Series
Tokyo Marui - M4A1 Socom Next Generation Recoil Shock Series
Tokyo Marui - M4 CQB-R (Black) Next Generation Recoil Shock Series
Tokyo Marui - M4 CQB-R (FDE) Next Generation Recoil Shock Series
Tokyo Marui - M4 RECCE Rifle (Black) Next Generation Recoil Shock Series
Tokyo Marui - M4 RECCE Rifle (Tan) Next Generation Recoil Shock Series