Holosun 509T




The HE509T X2 is a hard-use, nitrogen-purged enclosed LED sight designed for handgun applications. The HE509T X2features a grade 5 titanium housing, Holosun’s Super LED with up to 50k hour battery life, Multi-Reticle System, Solar Failsafe, and Shake Awake technology.

The X2 version adds improved glass clarity, Lock Mode, and a full Multi-Reticle System providing 2MOA dot only, 32MOA Circle only, or a Circle-Dot combination. HE509T X2 includes an adapter plate for compatibility with rmr-style footprints. HE509T X2 feature 12 intensity settings, two of which are compatible with night vision devices.

Items Dimensions (in inches)

In the Box

  • RMR-to-509T Adapter
  • T10 L Key
  • User Manual
  • CR1632 Battery
  • Lens Cloth

Additional information

Weight 1.72 oz
Dimensions 5 × 3.5 × 2.5 in


Battery Life

50,000 Hours

Brightness Setting

10 Daylight & 2 Night Vision

Window Size

0.66 in × 0.9 in


2 MOA Dot & 32 MOA Circle