![Lonex - SP M150 (470-500FPS) Spring - GB-04-04](http://tigertacticalairsoft.com/cdn/shop/products/GB-04-02_92412107-23f8-4848-a6c9-55dd098d8975_{width}x.jpg?v=1558571170)
Lonex - SP M150 (470-500FPS) Spring - GB-04-04
LX-GB-04-04The tune-up spring uses progressive non-linear design to stable FPS and save battery,
and uses high class steel to ensure the durability.
M150SP (470-500FPS) Spring
Color: Black
The tune-up spring uses progressive non-linear design to stable FPS and save battery,
and uses high class steel to ensure the durability.
M150SP (470-500FPS) Spring
Color: Black