Modify - Upgrade Spring - S80-S150
The springs are designed from the start to deliver the best output while keeping it's coil strength, consistancy, and quality. With the closed and ground ends, the spring remains in place during use to prevent a reduction in ROF due to bending.
- Irregular Pitch
|Spring Rating||S80: 270-300fps
DISCLAIMER: Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.
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