Gearboxes

ICS

ICS Lower Receiver Kit for Modern MP5

ZCI

ZCI 8mm Ver.2 Complete Gearbox w/ Microswitch & QD Spring Change (Wiring: Rear)

ZCI

ZCI 8mm Ver.2 Complete Gearbox w/ Microswitch & QD Spring Change (Wiring: Front)

Lonex

Lonex SR-16 Complete SP120 AEG Gearbox (Original Type)

Complete G&G ETU Gearbox w/ Mosfet - SR Series

Vegaforce Airsoft

VFC Version 2 ECS Avalon Gearbox Shell w/ Quick Change Spring

Action Army

Action Army Nitroflon Coated Cylinder for Airsoft AEG Gearboxes (Type: 3/4 Hole)

Action Army

Action Army Nitroflon Coated Cylinder for Airsoft AEG Gearboxes (Type: Full Seal)

LCT

LCT Airsoft Complete Gearbox w/ Electric Blowback and Recoil Kit for AK Series Airsoft AEG (Type: Short Bolt)

LCT

LCT Airsoft Complete Gearbox w/ Electric Blowback and Recoil Kit for AK Series Airsoft AEG (Type: Long Bolt)

Retro Arms

Retro Arms CZ CNC 8mm Ver.3 Gearbox Shell for AK / G36 Series Airsoft AEG Rifles with Spring Guide - Silver

Retro Arms

Retro Arms CZ CNC 8mm Gearbox Shell for SR25 Series Airsoft AEG Rifles - Silver

ICS

ICS M4 Complete Lower Gear Box w/ Wiring, Gears and S3 Trigger Assembly for CXP-MARS

ICS

ICS M4 Complete Lower Gear Box w/ Wiring, Gears and S3 Trigger Assembly

Retro Arms

Retro Arms CZ Billet CNC Upper Gearbox Shell w/ Quick Change Spring for ICS M4 / M16 Series Airsoft AEG

Retro Arms

Retro Arms CZ Billet CNC 9mm QSC Ver.2 Gearbox Shell for M4 / M16 Series Airsoft AEG Rifles - Silver