Lancer Tactical

Lancer Tactical Gen 3 Gearbox Set

Dboys

Dboys BIK-03 AK Version 3 Gearbox

VFC

VFC ECS Complete Gearbox Gen 2

Lancer Tactical

Lancer Tactical Gen 2 Gearbox Set

Elite Force

Elite Force Complete Gearbox w/ CFR Spring

GATE Airsoft

GATE EON V2 Gearbox Titanium

ICS Airsoft

ICS EBB Lower Gearbox w/ SSS (UK1/HOG/YAK/CS4)

GATE Airsoft

GATE EON Complete V2 Gearbox with TITAN II BT 450 FPS/1.9J, Front Wired

Lancer Tactical

Lancer Tactical Polymer M4 Receiver Set for Airsoft AEGs, Black

Super Shooter Version 2 8mm Gearbox Shell Aluminum CNC Machined Taiwan

Arcturus Tactical

Arcturus AK-12 Full Metal Complete Gearbox with Perun Mosfet

GATE Airsoft

GATE EON Complete V2 Gearbox with TITAN II BT 350 FPS/1.2J, Front Wired