Adjustable 3D Print Hop Up for JM Gen13 SJ M4 MK18

Eevate your shooting game with this high-performance 3D printed hop up, designed specifically for SJ M4 sj mk18, sj m4 CQB, and jm gen13 gel blasters. Engineered to deliver enhanced accuracy and extended range, this professional-grade upgrade gives you the competitive edge you need on the battlefield.

Key Features:

✔ Perfect Compatibility – Works seamlessly with SJ M4, SJ MK18, and JM Gen13 models
✔ Improved Accuracy & Range – Fine-tune your shots for tighter groupings and better distance
✔ Durable 3D-Printed Construction – Lightweight yet sturdy for reliable performance
✔ Easy Installation – Simple drop-in upgrade with no complicated modifications required
✔ Precision Engineering – Optimized inner barrel fit for consistent shot placement

Technical Specifications:

• Brand: DK

• Material: High-quality 3D printed PLA

• Length: 50mm

• Outer Diameter: 13mm

• Inner Diameter: 9.5mm (perfect fit for standard gel blaster barrels)

What's Included:

• 1x DK Adjustable Hop Up Unit

Why Settle for Stock Performance? Upgrade your SJ M4, MK18, or JM Gen13 today and experience the difference professional-grade precision makes!