Complete High RPM Gearbox for Electric airsoft guns
1.Using M120 spring .
2.8 mm Ball bearing spring guide .
3.Stainless steel cylinder head .
4.Ball bearing piston lid.
5.with Handguard Switch assembly.For Version 2.
( Large capacity/ High conductivity / Low resistance )
6.Reinforced Piston(with stainless full teech)
7.We recommend to use High Torque motor for better performance.