Our take: An easy upgrade if you're looking to up your FPS, the Lancer Tactical M140 Quenching Spring is capable of storing very high tension for a powerful release. The strong coils of the spring are designed to exert a force of approximately 440-470 feet per second, producing a very noticable difference when compared to most ordinary springs. This Japanese certified spring upgrade posessess great durability and strength, so upgrading any plastic bushings to metal is ideal.

Features:
- This spring upgrades your gun for a higher FPS
- Strong coils provide high tension for a powerful release.
- The high strength design provides great durability.
- The quenching spring is Japanese Certiefied.
- Compares to the SHS TH1027.

Specifications:
Material: Metal
Weight: 25g

Package includes: 1x Spring

Color: BLACK