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