POSEIDON PES-004 AEG ECO Spring MPS130/428FPS

Spring for AEG · Low degradation and high resistance material · Manufactured by means of a compression and anti-resonance process with irregular design · Reinforced material at the end of the spring to reduce torsion during compression · Spring pre-compressed after its manufacture to stabilize the constant K · High temperature treatment to increase the corrosion resistance of the surface · Speed: ~ 428FPS (power may vary depending on AEG model and installed components)