Kublai AKA M870 Upgrade Spring – 1.5mm

Enhance the power and durability of your Alpha King AKA M870 R1, R2, and R3 shotgun gel blasters with the Kublai AKA M870 Upgrade Spring (1.5mm). Crafted from high-quality piano wire, this non-linear spring delivers strong, consistent performance with anti-fatigue properties for long-lasting reliability.

Key Features:

✅ Non-Linear Design – Optimized for smooth compression and strong return force.
✅ Anti-Fatigue Construction – Maintains performance over extended use.
✅ Premium Piano Wire Material – Ensures durability and resilience.
✅ 1.5mm Gauge – Ideal for performance upgrades in AKA M870 models.
✅ Easy Installation – Direct replacement for Alpha King AKA M870 R1, R2, R3 shotguns.

📦 Package Includes:
✔️ 1x M870 Upgrade Spring (1.5mm)

Upgrade your M870 gel blaster with enhanced power and reliability—the Kublai AKA M870 Upgrade Spring is the perfect choice for serious players!