Ares Amoeba Complete Gearbox / ECU - (Front Wired, Rear Wired)
This gearbox offers extremely good..
Army Force - 8mm Reinforced Gearbox Set for Quick Detach Spring M4s
Army Force 8mm Complete Q..
Boyi Complete Gearbox V.2 M4 AEG
Complete replacement Standard V2 metal gearbox for M4 AEG from B..
CYMA AK Complete Gearbox V.3 (Front Wired)
This CYMA V3 AK Full Gearbox comes complete with a Mo..
G&P 8mm Reinforced Gearbox for M4 AEG Series (Choose Wiring & Spring Type)
These are one ..
Guarder Enhanced Gearbox Shell Ver.3 (Marui Compatable)
This Guarder Geabox Shell Will provide a..
CNC ANC airsoft gearbox v2 - QSC (NEW GEN)
Remade and upgraded CNC gearbox from Retro ARMS with c..
S&T Ver.2 Complete AEG Gearbox (Rear / Front Wired)
A low cost high quality gearbox the S&..