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AKA M870 Blaster Upgrade Spring 1.5mm

AKA M870 Blaster Upgrade Spring 1.5mm

Regular price $9.99 USD
Regular price Sale price $9.99 USD
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Unleash your shotgun’s full potential with this high-tension piano wire spring, engineered for aka m870 (R1/R2/R3) and ZS M870 models.

Brutal 1.5mm Thickness – Maximum power for outdoor play
Anti-Fatigue Design – Holds tension 3x longer than stock
Non-Linear Coiling – Smother pump action with hard-hitting shots

Why Upgrade?

  • +30% FPS over factory springs

  • Eliminates weak/sagging spring syndrome

  • Essential for competitive shotgun builds

Package Includes:
1x Silver Piano Wire Spring

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