Holosun HE509T X2 Reflex Sight
Best enclosed optic for professional duty and everyday carry users.
This enclosed optic is built like a tank, prioritizing rugged reliability over the minimalist aesthetic of open-emitter sights. It trades a slightly bulkier profile for total protection against the elements, making it the definitive choice for anyone who needs their gear to survive harsh conditions without hesitation.
$429.99
at
Brownells
Who it's for
- Duty officers and outdoor shooters operating in harsh weather conditions
- Users seeking maximum durability without adding significant weight to their slide
- Practical shooters who prioritize constant uptime and battery redundancy
Who should skip it
- Owners of optics-ready pistols wanting a direct-to-slide mounting solution
- Precision shooters sensitive to subtle visual shifts in their sight picture
- Individuals who prefer simple tool-less designs or robust hardware components
Performance breakdown
Durability
Grade 5 titanium housing withstands extreme impacts and harsh environmental conditions.
Target Acquisition
Multi-reticle system allows for rapid, intuitive aiming in high-stress scenarios.
Power Reliability
Solar backup and motion-sensing tech ensure the optic stays powered indefinitely.
Optical Clarity
Refined glass provides a crisp, distortion-free sight picture for precise shots.
Mounting Versatility
Dedicated footprint offers stability, though RMR adapter adds slight height profile.
Environmental Resilience
Enclosed emitter design keeps debris and moisture away from the LED.
Key Specs
Housing Material
Grade 5 Titanium
Weight
1.72 oz
Dimensions
1.6 x 1.16 x 1.13 inches
Reticle Options
2 MOA Dot, 32 MOA Circle
Battery Life
Up to 50,000 hours
Waterproof Rating
IP67
Shockproof Rating
5000G
Mounting
509T footprint (RMR adapter included)
Working Temperature
-30°C to 60°C
Adjustment Click Value
1 MOA
Know before you buy
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Ask Metto anything about the Holosun HE509T X2 Reflex Sight before you decide.
