Nerf Modulus Recon MK II Blaster Upgrade Spring

Transform your Recon MKII into a precision powerhouse with our professional-grade spring upgrade system. Choose from four tension options to perfectly match your playstyle – from balanced backyard battles to competitive-level performance.

Why This Upgrade?

✔ Four Performance Levels - Tailor your blaster's power:

• 4.5kg (25% boost) - Perfect for younger players

• 7kg (50% boost) - Great all-around upgrade

• 8kg (65% boost) - Tournament-ready performance

• 12kg (100%+ boost) - Elite power (requires internal upgrades)

✔ Aircraft-Grade Piano Steel - Won't fatigue like stock springs
✔ Drop-In Installation - No shell cutting required
✔ Improved Shot Consistency - Tight-wound coils for better accuracy

What's Included?

• 1x Modulus Recon MKII Upgrade Spring (select your kg)

Tech Specs:

• Material: Premium piano steel

• Tension Options: 4.5kg (stock+), 7kg (pro), 8kg (competition), 12kg (elite)

• FPS Gains: +25% to +100% over stock

• Compatibility: Nerf Modulus Recon MKII ONLY

Choose Your Perfect Setup:

• Casual Play: 4.5kg or 7kg

• Competitive: 8kg

• Modder Builds: 12kg (requires reinforced internals)

Pro Tip: Pair higher kg springs with:

• Upgraded catch spring

• Reinforced plunger tube

• Lubricated O-rings