Product details
Holosun HS403R
20 mm micro red-dot sight for rifle and carbine use with a 2 MOA dot, rotary brightness control and CR2032 battery.
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Overview
The HS403R includes both a lower-1/3 co-witness mount and low mount, provides 10 daylight plus 2 night-vision-compatible settings and carries an IP67 environmental rating. Holosun now marks this model as discontinued.
Key features
2 MOA Dot Reticle
20 mm micro sight with a single 2 MOA dot and unlimited eye relief.
Up to 100,000-Hour Runtime
The official specification section rates battery life up to 100,000 hours at setting 6.
12 Brightness Settings
Ten daylight and two night-vision-compatible intensity settings controlled by a rotary switch.
Dual Mounts Included
Includes a 1.63-inch lower-1/3 co-witness mount and a 0.75-inch low-profile mount.
IP67 Environmental Rating
Holosun rates the sight IP67 for submersion protection and specifies 1000G vibration resistance.
Specifications
Reticle
- Dot Size
- 2 MOA
Optical
- Window Size
- 20 mm diameter
Physical
- Dimensions
- 2.75 x 1.43 x 1.62 in
- Weight
- 3.53 oz
Construction
- Housing Material
- Durable aluminum
Adjustment
- Adjustment per Click
- 0.5 MOA
- Windage & Elevation Travel
- ±50 MOA
Power
- Battery
- CR2032
- Battery Runtime
- Up to 100000 h at setting 6
Illumination
- Brightness Settings
- 10 daylight + 2 night vision
Environmental
- Submersion Rating
- IP67
- Working Temperature
- -30 to 60 °C
- Vibration Rating
- 1000 G
Product details
- Model / SKU
- HS403R
- Materials
- Durable aluminum housing
