Spring M130 Airsoft Evolution [SLONG AIRSOFT]

This spring has been precisely made of high-quality material. Thanks to this, it retains parameters for a very long time of use.
Made of piano wire, the steel has been annealed, making it very springy.
Asymmetric 2~3 section design, low deformability, easy compression - these are undeniable advantages of this spring.
Designed for all versions of Airsoft AEG gearboxes

Installation of the spring and the power outlet between 420 up to 450fps (muzzle velocity is dependent on other parts mounted in the interior of the gearbox).