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 & Tech

• New rotary control for faster operation and visual brightness indicator
• Advanced technology LED allows up to 100,000 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

Specifications

OPTICAL DATA

• 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 100,000 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    -40℉ - 158℉
• Working Temperature    -22℉ - 140℉
• 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