M150 Spring for Spring-Action Sniper Rifle

M150 Spring from AirsoftPro is a premium quality main spring for spring-action sniper rifle replicas. Composed of DIN 17223/C steel wire, this spring is designed with polished ends suitable for pistons 13mm or wider. Note: this spring is not compatible with SWD A&K replicas that employ standard AEG springs. Steel Wire Power: M150 | Diameter: 9mm | Weight: 20g | Manufacturer: AirsoftPro