• 12:1

    High-speed response

    For carefully matched high-speed builds and experienced installation.

    12:1High-speed response

    For carefully matched high-speed builds and experienced installation.

  • 13:1

    Response-oriented / high-speed setup

    Supports quicker cycling when the motor, spring, battery, piston, timing, and installation are correctly matched.

    13:1Response-oriented / high-speed setup

    Supports quicker cycling when the motor, spring, battery, piston, timing, and installation are correctly matched.

  • 16:1

    All-round upgrade

    A moderate ratio for balanced torque and cycle speed.

    16:1All-round upgrade

    A moderate ratio for balanced torque and cycle speed.

  • 18:1

    Standard / general-purpose setup

    A conventional ratio suited to dependable general-purpose setups.

    18:1Standard / general-purpose setup

    A conventional ratio suited to dependable general-purpose setups.

  • SR25

    Extended gearbox

    Confirm SR25 gearbox and piston compatibility before ordering.

    SR25Extended gearbox

    Confirm SR25 gearbox and piston compatibility before ordering.

  • 9:1 DSG

    Specialist DSG build

    Requires expert parts matching, tuning, and installation.

    9:1 DSGSpecialist DSG build

    Requires expert parts matching, tuning, and installation.

Compatibility depends on the complete build. Confirm gearbox version, sector gear type, motor, spring, and installation requirements before ordering.

Built around measurable details

Designed for Consistent Gearbox Performance

Show real material, hardness, dimensional, compatibility, and quality-control facts so technicians can choose with confidence.

CNC
Precision manufacturing
HRC42–50
Published gear hardness
V2 / V3
Common gearbox versions
6 ratios
Speed, torque, and DSG options
View Our Factory
  • How to Choose an Airsoft Gear Ratio

    Compare common ratios and understand which complete-build factors must be checked.

    Compare ratios 
  • V2 and V3 Gearbox Compatibility

    Check gearbox version and related component requirements before ordering.

    View compatibility 
  • Gear Installation and Shimming

    Review installation sequence, free movement and shimming checks before powered testing.

    Read installation guide 

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