The HE403R-GD is a new small compact red dot optic that features Holosun’s new rheostat dial to adjust brightness settings. Employing Holosun’s efficient LED technology, the HE403R-GD can achieve a “constant on” battery life of up to 5 years.
• New rotary control for faster operation and visual brightness indicator
• 2 MOA on dot size
• Unlimited field of view