All Gearbox | GB Parts & Misc.

Brand: Echo1 Material: Metal Version: 2 (Complete)Bushing Size: 8mmMotor:Â Piston:Â Piston HeadCylinder:Cylinder Head:Spring...

Version 3 Gearbox High Torque Motor 7mmm Bearing FPS: Est aroung 400-410

Modify M16-A2 Airsoft Complete Upgraded Gear Box SetIncluded: Speed Modular Gear Set (16.32:1) Cylinder Piston Head 8mmÃâ...

Brand: SHS Manufacturer Part No: NB0043 Material: CNC Alum. Model: AEG

Brand: Echo1 Material: Metal Version: 2Bushing Size: 8mm*** Same gearbox found on all Echo1 TROY, Stag15, and Polymer XCR Series ***

Feature: 1) Angle-fixed designed bracer. It fills the space around Hop-up chamber to address the problem of front - end cracking previousl...

ECHO XCR GB BRACKET

Unique internal and external reinforcement to address the problem of front-end cracking previously encountered in V2 gearboxes. 1) Inspection port...

MAD BULL AR Model 4 REINFORCED SAFETY SWITCH FOR TYPE II MECH BOX