Holosun HE509T-X2 Enclosed Multi-Reticle Pistol Sight
Key Features
- Multi-Reticle System – selectable 2 MOA dot, 32 MOA circle, or circle-dot combination for precision or speed
- Grade 5 Titanium Housing – among the most durable enclosed pistol optics made, built for duty and hard use
- Enclosed Emitter with X2 Glass – sealed against dust, debris, and moisture for a clean, distortion-free sight picture
- Red, Green, or Gold Reticle – plus color-matched Flat Dark Earth (FDE) finish options
- Solar Failsafe + Shake Awake™ – solar-assisted, motion-activated power with Lockout Mode
- Up to 50,000 Hours – side-loading CR1632 battery tray, swappable without removing the optic from the slide
- Native 509T Footprint – includes RMR-to-509T adapter plate for broad slide compatibility
- IP67 + 5000G – waterproof and vibration rated for serious carry and duty use
Description
The Holosun HE509T-X2 is an enclosed, Grade 5 titanium pistol optic built for duty, defensive carry, and hard use — widely regarded as one of the most durable enclosed-emitter handgun sights available. The fully sealed emitter keeps dust, lint, and moisture off the LED so the reticle stays clean where an open emitter would foul, and the upgraded X2 glass delivers a clearer, distortion-free sight picture. Choose a 2 MOA dot for precision, a 32 MOA circle for speed, or the combined circle-dot — in your choice of reticle color using the selector above.
A forward-facing sensor drives adaptive AUTO brightness, while Solar Failsafe and Shake Awake keep the optic ready and conserve battery, with Lockout Mode and last-setting memory holding your settings in place. Power comes from a side-loading CR1632 rated up to 50,000 hours, swappable without pulling the optic from the slide. The titanium housing is IP67 waterproof and 5000G rated, and every optic ships with an RMR-to-509T adapter plate for broad mounting compatibility. Flat Dark Earth versions add a rugged FDE coating for color-matched pistol builds.
Specifications
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| OPTICAL | |
| Reticle | Multi-Reticle System – 2 MOA dot, 32 MOA circle, or circle-dot |
| Reticle Colors | Red, Green, or Gold (black or FDE finish) |
| Magnification | 1x |
| Light Source | LED (650nm red / 540nm green / 590nm gold) |
| Coatings | Fully multi-coated |
| Parallax / Eye Relief | Parallax-free, unlimited eye relief |
| POWER | |
| Power | CR1632 side tray + Solar Failsafe |
| Battery Life | Up to 50,000 hours (setting 6) |
| Brightness Settings | 12 (10 daylight, 2 night-vision) |
| MECHANICAL | |
| Housing | Grade 5 Titanium (black anodized; FDE = Flat Dark Earth coating) |
| Adjustment / Click | 1 MOA |
| W&E Travel Range | ±30 MOA |
| Window Size | 0.66″ × 0.9″ |
| Dimensions | 1.6″ × 1.16″ × 1.13″ |
| Weight | 1.72 oz |
| DURABILITY & FITMENT | |
| Waterproof Rating | IP67 |
| Vibration | 5000G |
| Footprint | 509T (RMR-to-509T adapter plate included) |
Package Includes
- ✓1x HE509T-X2 Enclosed Pistol Sight
- ✓1x RMR-to-509T Adapter Plate
- ✓2x 6-32 × 1/4″ Screws
- ✓1x Lens Cloth
- ✓1x Multi-Tool
- ✓1x User Manual & Warranty Card
