Holosun Titanium Enclosed Reflex Red Dot Sight - HE509T-RD-X2-FDE
The HHE509T-RD X2 FDE is a hard-use, nitrogen-purged enclosed LED sight. The HE509T-RD X2 features 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-RD X2 includes an adapter plate for compatibility with rmr-style footprints. HE509T-RD X2 feature 12 intensity settings, two of which are compatible with night vision devices.
Features
- Circle Dot; Dot Only; Circle Only
- Up to 50,000 Hours Battery Life (Setting 6)
- 12 Brightness Setting: 10 DL & 2 NV Compatible
- Enclosed Design & Titanium Housing
- Convenient Tray Battery Compartment
- Parallax-free & Unlimited Eye Relief
Specifications
- Window Size (in): 0.66x0.9
- Dimension (in): 1.6×1.16×1.13
- Weight (oz): 1.72
- Housing Material: Titanium
- Surface Finish: Titanium
- Adjustment per Click: 1 MOA
- W&E Travel Range: ±30 MOA
- Storage Temperature: -40℃~70℃
- Working Temperature: -30℃~60℃
- Submersion: IP67
- Vibration: 5000G
What Our Experts Think
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Titanium Enclosed Durability: Grade 5 titanium housing delivers extreme strength with excellent corrosion resistance for duty and hard-use environments.
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Fully Enclosed Emitter Design: Protects the optic system from dust, water, and debris for consistent performance in all-weather conditions.
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Multi-Reticle Flexibility: Switch between 2 MOA dot, 32 MOA circle, or circle-dot combo for fast acquisition or precision aiming.
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Advanced X2 Improvements: Enhanced controls and improved efficiency for faster operation and better usability under stress.
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Shake Awake Technology: Motion activation helps conserve battery life while keeping the optic instantly ready.
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FDE Tactical Finish: Flat Dark Earth coating adds a professional, low-profile aesthetic ideal for modern firearm setups.
Q&A
Q: What is the HE509T-RD-X2-FDE used for?
A: It is a duty-grade enclosed reflex sight designed for pistols, offering fast target acquisition with a 2 MOA dot and 32 MOA circle multi-reticle system.
Q: Why is the titanium housing important?
A: The Grade 5 titanium body provides extreme durability, corrosion resistance, and lightweight strength for harsh tactical or everyday carry use.
Q: What does the FDE finish add?
A: The Flat Dark Earth coating adds a tactical, low-visibility finish while maintaining rugged protection and corrosion resistance.
Q: Does it have solar backup and battery efficiency features?
A: Yes. Solar Failsafe and Shake Awake technology extend battery life and keep the optic ready when motion is detected.
Q: Can I switch between reticle styles?
A: Yes. You can select dot only, circle only, or combined circle-dot for speed or precision shooting.
Q: Is it suitable for harsh environments?
A: Yes. The fully enclosed emitter design protects against dust, rain, and impact, making it ideal for duty, carry, and field conditions.
Q: What is included in the bundle?
A: The Holosun HE509T-RD-X2-FDE optic plus a Wearable4U lens cleaning towel for quick maintenance and clear optics.
Maintenance Tips
Damage 
Loss 
Theft 
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