Spring 90M/S - MB01 (VSR SPRING) | FREE Delivery over €50 (ROI)
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The Spring 90M/S – MB01 (FPS SOFTAIR) is a high-performance replacement spring designed for WELL MB01, MB05, MB06, and MB08 sniper rifles. Calibrated on the original sniper setup, it delivers around 310–320 fps (~90 m/s), though velocity may vary with barrel length and setup. This affordable upgrade offers a reliable power boost and easy installation.
Manufactured in Italy, the spring features a variable coil pitch and ground ends for smooth compression and consistent performance. Dimensions are 235 mm length and 10.25 mm outer diameter.
Note: Performance can change by approximately +2.5 m/s for each added spring guide bearing.
| Sniper Rifle Specification | |
| Length | 235 mm |
| Weight | 0.02 - 0.03 kg |
| Power | <1 Joule |
| Fire Mode | Bolt Action |
| Power Source | Spring |
| Mag Capacity | BB's |
| Colour | Black |