Poseidon ECO Spring M140

Poseidon M140 ECO Spring

Brand of Poseidon has appeared on the market with an assortment of tuning parts with a quality of finish rarely seen so far. The selection of materials used by Poseidon during the production process is based solely on high class components. Furthermore, the company goes above and beyond known and tested schemes when it comes to creating parts in classic configurations and of outdated construction in favor of improved performance by implementing innovative solutions.

M140 main spring with irregular pitch intended for electric replicas was made of steel. The implementation of M140 spring should provide a muzzle velocity of ~450 FPS depending on materials used.