Spring for MB03 from WELL 100 m / s FPS VSR100
The 100 m / s FPS spring has been calibrated on the original mechanics of the Well brand MB03 rifle.
PIRANI SPRINGS Sniper 90 VSR10 spring
-Built with pre-hardened steel EN 10270-2 CR-SI FD resistance 2081/2134 N / mm2
- Ground support surface
- Stabilization heat treatment at 400 °
- Browning treatment with absence of hydrogen
- Tolerance on load + -2.5% tested with camera on 100% of production
For MB02 - MB03 - VSR10
Built with pre-hardened steel EN 10270-2 CR-SI FD resistance 2081/2134 N / mm2 -Recurified support surface -Thermal stabilization treatment at 400 ° -Brush treatment with absence of hydrogen -Tolerance tolerance + -2.5 % tested with camera on 100% of production For MB02 - MB03 - VSR10