Action Army M130 Spring For Tokyo Marui M40A5

Action Army M130 Spring For Tokyo Marui M40A5 An upgraded power spring for the Tokyo Marui M40A5. This is graded as an M130 spring and will fire at approximately 440 FPS on a 0.20g BB. We highly recommend upgrading to a metal piston, spring guide and steel piston catch before attempting to install a higher power spring in your Tokyo Marui sniper rifle.