M120 spring (Japanese certified quenching material) - SHS

SHS M120 AEG Spring (Japanese Certified Quenching Material) This upgrade spring from renowned manufacturer SHS is made from Japanese certified hardened steel, ensuring high strength and long life without loss of performance. Thanks to its variable thread pitch, it provides consistent performance and reduces gear load , contributing to smooth weapon operation. The spring is suitable for most AEG weapons and is ideal for achieving a performance of 380–410 FPS when using 0.20g BBs. Features Spring type: M120 Material: Japanese certified hardened steel Color: black Weight: approx. 20 g Variable thread pitch to reduce gear load Compatible with most AEG weapons Recommended power: 380–410 FPS with 0.20 g BBs High resistance to deformation and loss of power Long service life – lasts tens of thousands of shots without shortening