MODIFY-TECH Quantum Gear Set for Ver. 2 Gearbox

Two-Sector design allows double cycle, i.e. two shot per sector gear cycle. Half-cycle cut-off system retains semi-auto fire capability. Spring Guide Spacer pre-loads spring to compensate reduced piston stroke. Two-Sector Gear and Bevel Gear are formed by steel powder metallurgy; Other gear components are CNC Machined Steel Alloy. Shape-optimized Sector Clip and Tappet Plate delay releasing cycle of tappet plate which helps to avoid feeding problem. The Two-Sector Gear is compatible with Modify Speed / Torque / Stock ratio gear sets. 16.32:1 Gear Ratio Suitable for inner barrel which is 363mm or shorter in length. Suggested to use with Modify 9 Metal Teeth Piston / Quantum Piston, Modify Rotary Spring Guide, Modify Cylinder Head, Modify TORUS Gearbox. Suggested Spring Rate: S100 - S120 ( with 16.32:1 gear ratio, stock motor, 8.4V Mini Battery ) Proprietary Tappet Plate and Spring Guide Spacer must be used together with Two-Sector Gear to operate correctly.