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Special piano wire steel with an anti-fatigue oxide layer. The spring force has low attenuation, very powerful to level up the FPS The proper springs to upgrade your GJ M24/98k/AWM sniper gel ball blaster gun
Specifications: Color: Silver black Material: special steel Weight: around 20 gram Dimensions: 25cm*3cm*3cm
Package: 1x GJ upgrade spring
Note: The non-original gas cylinder must use a spring with an outer diameter of 14.3mm The original gas cylinder can use a spring with an outer diameter of 14.3mm or an outer diameter of 14.8mm. Be careful using the 1.5mm springs as it's risky, and we won't take any responsibility for the modifications failure
