E&L Airsoft Reinforced Gearbox Shell for M4 / M16 AEGs - RIGHT / BLACK

E&L Airsoft Reinforced Gearbox Shell for M4 / M16 AEGs - RIGHT / BLACK

-Heavy duty metal construction for protection and compatibility

-Built to be compatible with E&L M4 / M16 AEGs and most M4 / M16 platform AEGs

-Standard version 2 design

-Quick change spring guide system

-Reduction of shell thickness for greater compatibility with most M4 / M16 receivers