KRYTAC

Krytac Nautilus Version 2 Ultimate Airsoft Gearbox

ICS Airsoft

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

Lancer Tactical

Lancer Tactical Full Metal Version 2 M4/M16 Complete AEG Gearbox

GATE Airsoft

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

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

Arcturus

Arcturus AK-12 Full Metal Complete Gearbox with Perun Mosfet

GATE Airsoft

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

GATE Airsoft

GATE EON V2 Gearbox Silver

GATE Airsoft

GATE EON V2 Gearbox Titanium

Lancer Tactical

Lancer Tactical Gen 2 Gearbox Set