The HE403R-GD is a new small compact red dot optic that features Holosun’s new rheostat dial to adjust brightness settings while featuring the new Gold reticle! This new intensity control brings you everything you love about a Holosun, only faster! Employing Holosun’s ultra-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 • Advanced technology LED allows up to 50,000 hours of operation on one CR2032 battery
2 MOA on dot size
Unlimited field of view
Parallax-free with unlimited eye relief
Durable and reliable construction
Low mount and 1/3 Co-witness mount included
SPECS
Light Source: LED
Reticle: 2 MOA Dot
Parallax Free: Yes
Unlimited Eye Relief: Yes
Magnification: 1x
Multi-Coatings : Yes
Integrated Laser: No
ELECTRONIC DATA
Battery Type: CR2032
Battery Life: Up to 50,000 Hours
Brightness Setting: 10 Daylight & 2 NV Compatible
MECHANICAL DATA
Housing Material: Aluminum
Surface Finish: MAO
Housing Color: Black
Adjustment per Click: 0.5 MOA
W&E Travel Range: ±50 MOA
Storage Temperature: -40F - 158F
Working Temperature: -22F - 140F
Submersion: IP67
Vibration: Up to 1000G
PHYSICAL DATA
Window Size: 20mm Diameter
Dimension (in): 2.75x1.43x1.62
Weight (oz): 3.53
Central Height (in) : 1.63 
