If you are looking to replace or upgrade your AEG's Spring, you need to take a look at the JBU Airsoft Steel M140 Spring Heat Treated! The M140 rated spring from JBU Airsoft is the perfect addition to your AEG for high speed upgrades. The M140 spring will bring your fire power to about 420-460 FPS in most airsoft AEGs. So what are you waiting for? Add the JBU Airsoft Steel M140 Spring Heat Treated to your gun today!
- JBU Airsoft Steel M140 Spring Heat Treated
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