Holosun Housing Multi-Reticle Green Dot Sight - HE509T-X2-GR-FDE

• Green Multi-Reticle System. High-contrast green reticle with selectable 2 MOA dot, 32 MOA circle, or circle-dot combination for speed or precision.
• Enclosed Emitter Design. Fully sealed housing protects the emitter from water, debris, and environmental interference.
• Grade 5 Titanium Housing with FDE Finish. Extremely strong titanium construction with durable Flat Dark Earth coating.
• Solar Failsafe with Shake Awake. Solar backup regulates brightness while motion activation powers the optic instantly.
• Side-Loading CR1632 Battery. Battery replacement without removing the optic from the slide.
• Duty-Ready Environmental Protection.Built for harsh conditions with IP67 waterproofing and rugged construction.

 Specifications

• Light Source: LED
• Wavelength: 540nm
• Reticle: 2 MOA Dot & 32 MOA Circle
• Magnification: 1x
• Parallax: No
• Unlimited Eye Relief: Yes
• Multi-Coatings: Yes
• Selectable Reticle: Yes
• Solar Power: Yes
• Shake Awake Technology: Yes
• Auto Off: Yes
• Memory: Yes
• Manual Brightness: Yes
• Automatic Brightness: Yes
• Lockout Mode: Yes
• Battery: CR1632
• Battery Life (Setting 6): 50,000 Hours
• Brightness Setting: 8 Daylight & 4
• Side Tray: Yes
• Housing Material: 7075 T6 Titanium
• Surface Finish: Titanium Finish
• Housing Color: FDE
• Adjustment Per Click: 1 MOA
• W&E Travel Range: ±30 MOA
• Storage Terperature: -40°C~70°C
• Working Temperature: -30°C~60°C
• Submersion: IP67
• Vibration: 5000G
• Window Size (in): 0.66" x 0.9"
• Dimension (in) Body: 1.6" x 1.16" x 1.13"
• Weight: 1.27 oz

What Our Experts Think

• Premium Titanium Housing: Built with rugged titanium for exceptional durability while keeping weight low for carry, duty, and competition use.
• Enclosed Emitter Design: Fully enclosed optic protects the emitter from dust, mud, rain, and debris, ensuring reliable performance in demanding environments.
• Multi-Reticle System (MRS): Easily switch between a precise dot, circle, or circle-dot reticle to match different shooting styles and applications.
• Bright Green Reticle: Green illumination offers excellent visibility and fast target acquisition in various lighting conditions.
• Shake Awake Technology: Automatically activates when motion is detected and conserves battery life when idle, keeping the optic ready when needed.
• Solar Backup Capability: Solar-assisted operation adds an extra layer of reliability for extended field use.
• Built for Hard Use: Designed to withstand recoil, impact, and adverse weather while maintaining dependable zero retention.

Q&A

Q: What is the Holosun HE509T-X2-GR-FDE designed for?
A: The HE509T-X2-GR-FDE is a premium enclosed green dot pistol sight built for concealed carry, duty use, competition shooting, and defensive applications.

Q: What reticle options does it offer?
A: It features Holosun’s Multi-Reticle System (MRS), allowing users to switch between a 2 MOA dot, 32 MOA circle, or circle-dot combination for maximum versatility.

Q: Why choose an enclosed emitter optic?
A: The enclosed design helps protect the emitter from dust, mud, moisture, and debris, improving reliability in harsh environments.

Q: Does it include Shake Awake technology?
A: Yes. Shake Awake automatically activates the optic when movement is detected and conserves battery life during inactivity.

Q: How durable is the HE509T-X2-GR-FDE?
A: It features a rugged Grade 5 titanium housing, IP67 waterproof rating, and 5000G vibration resistance for dependable performance.

Q: What is the battery life?
A: The CR1632 battery provides up to 50,000 hours of operation under normal use conditions.

Q: Is it compatible with RMR-cut slides?
A: Yes. An RMR-to-509T adapter plate is included, expanding compatibility with many optics-ready pistols.

Maintenance Tips

• Clean the enclosed titanium housing and lens regularly with a microfiber cloth to maintain a clear sight picture.
• Inspect mounting screws frequently and ensure proper torque to prevent zero shift under recoil.
• Replace the CR1632 battery when brightness decreases and remove it during extended storage.
• Verify zero after heavy use, transportation, or accidental impacts.
• Keep the optic free from dirt, oil, and moisture, even though it is waterproof and built for harsh conditions.
• Avoid using abrasive cleaners or rough materials on the lens coatings.
• Periodically test the Multi-Reticle System and Shake Awake™ function to ensure reliable operation.
• Store in a cool, dry location and use a protective cover or case during transport.
• Check the battery compartment and sealing surfaces occasionally to maintain waterproof performance.
• Inspect the titanium housing for damage after drops or hard impacts to ensure continued durability and accuracy.