Danger Close Customs UltraSet R-Hop Patch

Danger Close Customs UltraSet R-Hop Patch Kit

Push your airsoft rifle to its full potential with the UltraSet R-Hop Patch Kit by Danger Close Customs. Built for serious techs and precision-focused players, this kit delivers elite-level hop-up performance, tighter groupings, and extended range for high-performance builds.

Kit Includes

• 3x UltraSet R-Hop Patches – Slightly varied in size for cherry-picked fitment

• Available in two material options:

  • Silicone Rubber – Durometer 70A

  • EPDM Rubber – Durometer 60A

• Patches come cut to window length
  – Or can be shipped uncut upon request for custom fitment

• All patches are test-fit before shipping to ensure ideal performance

• Designed for:

  • EDGI 6.01mm & 6.05mm ID AEG barrels

  • da Vinci SUS304 05 AEG barrels

Simple Installation

Installation is straightforward and requires just a few steps:

1. Glue the patch into your barrel window using a liquid superglue (e.g., Loctite)

2. Let it cure overnight to ensure maximum bond strength

3. Lightly sand the patch surface to match the inner barrel contour

4. Reassemble and you're ready to shoot with enhanced range and precision

Performance Features

• Two Premium Material Choices – Tune your build with the right hardness and elasticity

• Ultra-Consistent Fitment – Pre-shaped for easy drop-in install and flush alignment

• Optimized for Heavier BBs (.30g+) – Get better air seal, backspin, and flight path stability

• Perfect for DMRs & High-FPS Builds – Works best in tuned AEG platforms from 350–450 FPS

• Hand-Finished & Inspected – Each patch is manually checked for quality before shipping

Recommended Setup

• Use with a flat or concave nub

• Ensure polished and aligned inner barrel

• Compatible with AEG hop-up systems

Whether you're building a long-range DMR or tuning a high-performance AEG, the UltraSet R-Hop Patch Kitprovides elite precision, material flexibility, and easy installation to help you dominate the field.