SHS original speed torque gear set for electric gun (18:1)

New standard speed polished steel set available (1 shot each 18 turn of bevel gear)
sector gear with double steel construction (more durable)
custom bevel gear have 9 teeth instead of 10 to encrease the torque and optimize the energy
bevel and spur gear with thermal treatment
fits all models except m14/psg
ideal use when need quick trigger response
to be used with max sp120 spring