FCC - Velocity Main M160 Spring for PTW/CTW Series

FCC's own label main springs are here!! Utlizing our unique blend of steel and treatment. As a result, main springs with unprecedented consistancy, slower and more gradual shrinking over time. Better power consistancy contributes to better grouping, more hits!!  

**Note: Power rating based on 14.5" inner barrel FCC test rifle, FCC Selected 0.20g BBs. Actual result varies. Please check with your local regulations regarding FPS limit before purchasing.**