M170 Spring for Spring-Action Sniper Rifle

This genuine AirsoftPro M170 spring is an optimal choice for spring-action sniper rifle replicas. Manufactured with a DIN 17223/C steel wire, the spring has been ground to ensure accurate endings. It is suitable for use with pistons featuring holes at least 13mm in diameter; however, it is not compatible with SWD A&K replicas which utilise AEG springs. Made with steel wire, it has a power of M170 and a diameter of 9mm, while its weight is 35g.