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Modify - Upgrade Spring

The springs are designed from the start to deliver the best output while keeping it's coil strength, consistency, 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
S90:    290-330fps
S100:  330-350fps
S110:   350-380fps
S120:  390-430fps
S130:  420-450fps
S140:  450-500fps
S150:  490-530fps
S170:  530-550fps

Material Steel
Color Steel
Manufacturer Modify
Compatibility Most AEGs

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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