Holosun 509T (HE509T-RD X2) | Unboxing & Overview

Published on March 18, 2026
Duration: 5:58

This guide provides an unboxing and overview of the Holosun 509T (HE509T-RD X2) red dot sight. It details the contents of the package, explains the Multi-Reticle System (MRS), brightness modes, and operational modes (Auto, Manual, Lockout). Key features like Shake Awake, Solar Failsafe, and IP67 water resistance are highlighted. The guide also covers mounting options using the included RMR adapter plate. Instruction is presented from an experienced firearms instructor.

Quick Summary

The Holosun 509T (HE509T-RD X2) is a fully enclosed red dot sight featuring a durable titanium body, an advanced Multi-Reticle System (MRS), 'Shake Awake' technology for battery conservation, and 'Solar Failsafe' for auxiliary power. It offers 8 daylight and 4 night vision compatible brightness settings and boasts an IP67 water resistance rating.

Chapters

  1. 00:00Introduction & Product Reveal
  2. 00:17Unboxing Contents
  3. 00:57Features - Enclosed & Brightness Modes
  4. 01:29Features - Multi-Reticle Options
  5. 01:42Features - Shake Awake & Durability
  6. 02:13Features - Waterproof & Glass Size
  7. 02:24Mounting Process
  8. 03:31Reticle Brightness & Adjustment
  9. 04:48Brightness Mode Adjustment
  10. 05:35Conclusion & Recommendations

Frequently Asked Questions

What are the key features of the Holosun 509T (HE509T-RD X2)?

The Holosun 509T boasts a fully enclosed titanium body, Multi-Reticle System (MRS) with 2 MOA dot and 32 MOA circle options, 'Shake Awake' technology, 'Solar Failsafe' power, 8 daylight/4 NV settings, and an IP67 water resistance rating.

How does the Holosun 509T's Multi-Reticle System (MRS) work?

The MRS allows users to switch between three reticle configurations: a 2 MOA dot, a 32 MOA circle, or both combined. This is typically done by pressing and holding the minus button on the optic.

What mounting options are available for the Holosun 509T?

The Holosun 509T comes with an adapter plate that provides an RMR footprint, making it compatible with many pistol slides and other mounting solutions designed for RMR-pattern sights. It can also be mounted on Picatinny/Weaver rails.

What is the battery life and power system of the Holosun 509T?

The Holosun 509T offers up to 50,000 hours of battery life on a specific setting. It utilizes a CR1632 battery and features 'Solar Failsafe' technology, which uses ambient light as a secondary power source.

Related News

All News →

More Tactical & Gear Videos You Might Like

More from 1st Shot Tactical

View all →