Shock Tube 22LR Perimeter Trip Alarm – Fully 3D Printed

Protect your campsite or property with the Guardian Shock Tube. This lightweight, fully 3D printed perimeter alarm is designed to house a standard .22LR blank. When the tripwire is triggered, the spring-loaded striker provides an immediate, high-decibel audio alert to deter wildlife or intruders.

  • Rapid Deployment: Easy to mount to trees, fence posts, or stakes.
  • All-Weather Build: Printed in high-durability, UV-resistant filament for outdoor reliability.
  • Simple Reset: No complex tools required to reload for continuous protection
  • Compact Design: Fits easily in a pocket or side pouch.
  • Tool-Free Setup: Optimized for quick installation using standard paracord or fishing line.
  • Zero-Maintenance: Corrosion-proof 3D-printed body—no metal tubes to rust.