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Do you need to replace or upgrade your AEG's Spring? Well then you need to take a look at the Mad Bull M100 Non-Liner AEG Spring Airsoft Gun Accessory! The M100 rated spring from Mad Bull is the perfect addition to your AEG for high speed upgrades. The M100 spring will bring your gun's fire power to about 300-330 FPS in most airsoft AEGs. The Mad Bull M100 is a non-linear spring. The non-linear design makes it easier for the gearbox to compress the spring by evening the tension across the compression stroke. So what are you waiting for? Add the Mad Bull M100 Non-Liner AEG Spring Airsoft Gun Accessory to your gun today!


  • Premium Quality German Piano Wire Construction
  • High Performance Design
  • 300-330 FPS
  • Non-Linear Spring


  • Mad Bull M100 Non-Liner AEG Spring Airsoft Gun Accessory


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