Angel Custom - L96/Type 96 - Mechbox
ARES - ECF AEG - Gearbox Magnets
Bravo - V2 AEG - Gearbox Screw Set
Bravo - V3 AK Series - 8mm Mechbox
Echo1 - P90 - Gearbox Bracket
Echo1 - Red Star AK - Complete Gearbox
KWA - ERG Series - Gearbox Shell
Lonex/Ultimate Series - V2 - Reinforced Gearbox Shell
Retro Arms - M4 - 8mm Gearbox Shell
VFC - M4 - Gearbox Bolt Release Assembly