Gearbox

Upcoming review.

Shell: Bolt Airsoft, B4A1 Gearbox Shell


Gears: Modify-tech Co., Ltd., Modify Modular Gear Set for 6mm Ver. 2/3 ( Torque 21.6 )


Cylinder-Unit:???


Piston: Bolt Airsoft, Alu Piston Ultrilight


Motor: Bolt Airsoft, B4A1 High Torque Motor BM300T