Description
The Holosun HS403R Rifle Micro Sight Red Dot is a compact and durable optic perfect for rifles and carbines. Engineered for precision and reliability, it features a 2 MOA red dot for accurate targeting in any condition. The sight’s rotary switch allows quick and easy adjustment of reticle brightness, offering 10 daylight and 2-night vision-compatible settings.
Built with durable cast aluminum, the HS403R ensures long-lasting performance even in demanding environments. Its advanced Red Super LED technology delivers an impressive 50,000-hour battery life on a single CR2032 battery. The battery compartment is integrated into the rotary switch for added convenience. This parallax-free sight provides unlimited eye relief, making it ideal for all shooters, regardless of experience level.
The HS403R includes two mounting options: a lower 1/3 co-witness mount (1.63″) and a low-profile mount (0.75″). This versatility makes it suitable for various rifle setups, including low-comb height applications. Additional accessories include rubber lens covers, a T10 L key, and a lens cloth for easy maintenance.
HS403R Rifle Micro Sight Features:
- 2 MOA red dot for fast, accurate targeting
- Up to 50,000 hours of battery life with Red Super LED
- Rotary switch for quick reticle brightness adjustment
- 12 brightness levels, including 10 daylight and 2 night vision settings
- Rugged cast aluminum housing for durability in harsh conditions
- Parallax-free performance with unlimited eye relief
- Two mounting options for flexible installation
- Picatinny rail compatible
Included In Box
- Lower 1/3 Cowitness Mount
- Low Profile Mount
- T10 L Key
- Rubber Cover
- User Manual
- CR2032 Battery
- Lens Cloth
Specification
| Window Size | 20mm Diameter |
| Dimension (in) | 2.75×1.43×1.62 |
| Weight (oz) | 3.53 |
| Housing Material | Durable Aluminum |
| Surface Finish | MAO |
| Adjustment per Click | 0.5 MOA |
| W&E Travel Range | ±50 MOA |
| Storage Temperature | -40℃~70℃ |
| Working Temperature | -30℃~60℃ |
| Submersion | IP67 |
| Vibration | 1000G |










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