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Madbull Airsoft SP150 Upgrade Spring - Red

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Availability: In stock

SKU: MB SP150
Calculated carefully by computer and test by 100000 times punching.  Our spring has been proofed that the length and force are still consistent. ( See here )  We just want to p
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Calculated carefully by computer and test by 100000 times punching. 


Our spring has been proofed that the length and force are still consistent. (See here

We just want to proof that our spring is not just a "spring". It is a MadBull spring and it is "colorful." 

Other features:

  • Consistent >100000 shotsl 
  • Non-liner design (calculated)
  • Color coating to reduce effects from environment
  • Design & Made by experienced engineers.
  • Premium quality German piano wire

Additional Information

SKU MB SP150
MAP

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Madbull Airsoft SP150 Upgrade Spring - Red

USD

$9.00

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