Our take: An easy upgrade if you're looking to up your FPS, the Lancer Tactical M190 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 590-620 feet per second, producing a very noticeable difference when compared to most ordinary springs. This Japanese certified spring upgrade possesses great durability and strength, so upgrading any plastic bushings to metal is ideal.

Features:
- This spring is designed to produce approximately 590-620 FPS.
- The high strength, balanced design provides great durability.
- Tempered material provides high tension coils for a powerful release.
- Japanese certified quenching spring.
- Comparable to SHS TH-1031

Specifications:
Material: Metal
Weight 40g

Package includes: 1x Spring

Color: BLACK