JM Gen9 J9 M4A1 Hop Up

Take your JM Gen9 M4A1 to the next level with this high-performance hop-up unit. Engineered by DK, this precision upgrade applies controlled backspin to your gel balls, extending your effective range by up to 30% while dramatically improving shot consistency.

Why This Hop-Up Dominates:

• Laser-Focused Accuracy: Backspin technology stabilizes gel ball trajectory for tighter groupings

• Field-Proven Design: Specifically engineered for the JM Gen9 M4A1 platform

• Micro-Adjustable Tension: Dial in perfect backspin for any gel ball weight

• Battle-Ready Construction: 3D-printed PLA withstands intense gameplay

• Drop-In Installation: No modifications needed - fits factory barrels perfectly

Technical Specifications:

• Dimensions: 65mm length × 19mm OD (14mm inner diameter)

• Weight: Ultra-lightweight at just 5g

• Color: Tactical black finish

• Compatibility: JM Gen9/J9 M4A1 models only

• Includes: 1 DK Hop-Up unit

Pro Tip: For maximum range, adjust the hop-up gradually while test firing. Start with minimal backspin and increase until gel balls maintain a flat trajectory at distance.

Upgrade Your Loadout Today! Perfect for competitive players and backyard warriors alike, this hop-up transforms your Gen9 into a precision instrument.