The HS403R is a small compact micro red dot optic that features Holosun’s new rheostat dial to adjust brightness settings. This new intensity control brings you everything you love about a Holosun, only faster! Employing Holosun’s ultra-efficient LED technology, The HS403R can achieve a“constant on” battery life of up to 5 years.

Features:
- New brightness rotary control
- 2 MOA red dot
- .5 MOA windage and elevation adjustments
- Aluminum housing with black anodized finish
- Powered by a single CR2032 battery (included)
- Up to 100,000 hours of total battery life
- 10 brightness settings and 2 night vision compatible
- IP67 rated water resistance
- 20mm fully multicoated lenses
- Unlimited eye relief and parallax free
- Includes low mount and 1/3rd co-witness mount
- Limited lifetime warranty

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