ICS M140 Spring
ICS original premium springs are made of West German high tension music wire and multiple precision processes to prevent fatigue.
The material and processes provide the spring best performance.
Besides, metal fatigue phenomenon is rarely seen.
The irregular pitch design gives less reacting force when the motor is pulling the piston.
This design lowers the burden of motor.
This spring give the constant and best power to your airsoft gun.
You will get excellent performance.
•Compatible with ICS and other brands AEGs.
•Upgrade your AEGs to 140m/s(460fps) MC-38.