Apollo XV-700 Blaster Upgrade Spring

Unleash tournament-level power with this high-performance spring upgrade for your Nerf Rival Apollo XV-700! Engineered from premium piano steel, this 13kg or 15kg spring delivers brutal FPS gains and elite-range performance—perfect for competitive play.

Why Upgrade?

🔥 Massive Power Boost – 15kg version achieves 150+ FPS (with proper tuning)
🎯 Precision Engineering – Tight-wound coils for consistent velocity shot after shot
⚡ Piano Steel Construction – Military-grade durability that won’t sag or deform
🔧 Complete Kit – Includes O-ring for perfect air seal

Choose Your Power Level:

✔ 13kg (Pro Performance) – Balanced power & prime weight
✔ 15kg (Competition Elite) – Max FPS for serious players

What’s Included?

• 1x Apollo XV-700 Upgrade Spring (13kg or 15kg)

• 1x High-quality O-ring

Tech Specs:

• Material: Aircraft-grade piano steel

• FPS Gain: 130-150+ (varies by tuning)

• Compatibility: Nerf Rival Apollo XV-700 ONLY

Warning:
⚠ 15kg version requires reinforced internals (catch spring, plunger tube recommended)
⚠ Firm priming force needed – recommended for ages 14+

Dominate with pro-tier upgrades! 🔥 Installation requires basic modding skills.