Description
Features & Specs:
- Manufacturer: Echo1
- Name: ASR Power Upgrade Cylinder Kit
- Model: ECHO ASR PU CYLINDER
- 480-500+ FPS Upgrade Kit
Package Includes:
- 1x Upgrade Spring
- 1x Metal Spring Guide
- 1x Metal Piston
1 Review
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Worked perfectly!
My mb06 got a whooping 100+fps after upgrading with this spring kit. Can't wait to upgrade it some more