Holosun HE509T-GR X2 Titanium Multi-Reticle Green Dot Sight - 2 MOA/32 MOA

The Holosun HE509T-GR X2 is a compact enclosed reflex sight engineered for pistol shooters who demand durability and versatility. Built with a titanium housing that resists corrosion and impact, this green dot sight combines Holosun's proven Super Green LED technology with innovative failsafe features, making it a dependable choice for carry, competition, and duty applications. The multi-reticle system gives you flexibility in how you aim, while solar-assisted battery management means you're covered in the field.

What sets the HE509T-GR X2 apart is the thinking behind everyday carry and use. The CR1632 battery is accessed without removing the optic from your firearm, so you're not fumbling at the range or in the dark. Lock Mode prevents accidental brightness changes—a deliberate long press unlocks the buttons, cutting down on unintended adjustments when the sight is in a holster or pack. Shake Awake brings the reticle to life the moment you draw, while auto mode intelligently harvests solar power to extend battery life even when your primary power runs low or depletes. You get up to 50,000 hours of LED runtime, though the solar failsafe means the sight keeps working outdoors regardless.

The included 509T RMR adapter plate mounts the sight to most pistol mounting systems; note that it is not compatible with ZEV or Shadow Systems style RMR interfaces, so verify your slide's footprint before purchase. Improved glass clarity delivers a clean sight picture, and the compact form factor won't obstruct your view or add unnecessary weight.

Key Features

• Titanium housing for durability and corrosion resistance
• Super Green LED with up to 50,000 hour battery life
• Multi-Reticle System: 32 MOA circle and 2 MOA dot for varied aiming preferences
• Solar Failsafe—sight continues to function outdoors when battery depletes
• Shake Awake activation for immediate target focus
• Lock Mode prevents accidental button input during carry or transport
• Auto mode runs in background and prioritizes solar charging
• CR1632 battery accessible without optic removal
• Includes 509T RMR adapter plate for direct slide mount

Specifications

Frequently Asked Questions

Is the HE509T-GR X2 compatible with my pistol's RMR cut?

The sight comes with a 509T RMR adapter plate. It works with standard RMR footprints but is not compatible with ZEV or Shadow Systems style RMR interfaces. Confirm your slide's mounting pattern before ordering.

Can I change the battery without removing the sight from my gun?

Yes. The CR1632 battery port is designed for access without unmounting the optic from your firearm, saving you time at the range or in the field.

What happens if the battery dies?

The Solar Failsafe feature keeps the sight operational in outdoor light conditions even when the battery is depleted, ensuring your optic remains functional in a pinch.

What reticle options are available?

The HE509T-GR X2 features a Multi-Reticle System with a 32 MOA circle and a 2 MOA dot, giving you flexibility to match your preferred aiming style.