Madbull M140 Upgrade Up Spring

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SKU:
MB-SP140
Your Price $17.00

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Description

Madbull M140 Upgrade Up Spring

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

Specifications:

  • Model: MB SP140
  • Manufactured by: Madbull Airsoft
 
**We recommend upgrading to metal bushing, spring guide with bearing, reinforced gearbox, reinforced steel gear, polycarbonate piston, reinforced piston head, and battery upgrade with this spring.
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