Maximize your sniper’s potential with this high-performance upgrade spring, engineered for Jieying Swift Hawk AWM, JY MSR, and 702 sniper gel blasters.
✔ Three Power Levels Available:
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1.2mm (Balanced) – Smooth bolt pull, consistent shots
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1.3mm (Enhanced) – 15% more FPS, ideal for field play
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1.4mm (Competition) – Maximum range & impact
✔ Precision Specifications:
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250mm length – Optimized for sniper cylinders
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11mm diameter – Perfect fit for JY platforms
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Steel construction – No spring fatigue
Why Upgrade?
• Extends effective range by 20-30%
• Eliminates weak stock spring failures
• Essential for competitive snipers
Package Includes:
1x JY AWM/MSR Upgrade Spring (specify thickness)
