Skip to content
Free Shipping on Orders over $50*
Free Shipping on Orders over $50*

HOLOSUN HS503R Red Dot Sight

by Holosun
Sold out
Original price $254.99 - Original price $254.99
Original price
$254.99 - $254.99
Current price $254.99

HOLOSUN HS503R Red Dot Sight

The HS503R is a small compact micro red dot optic that features Holosun’s new Rheostat Dial to adjust brightness settings. Employing our LED technology, The HS503R can achieve “constant on” battery life of up to 100,000 hours on medium setting. This optic features Holosun’s proprietary Multi-reticle System (MRS) giving the user 2 reticles to choose from.


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
Unlimited field of view
Parallax-free with unlimited eye relief
Durable and reliable construction
Low mount and 1/3 Co-witness mount included


Light Source: LED
Reticle: 2MOA Dot & 65MOA Ring
Parallax Free: Yes
Unlimited Eye Relief: Yes
Magnification: 1x
Multi-Coatings: Yes
Integrated Laser: No
Battery Type: CR2032
Battery Life: Up to 100,000 Hours
Brightness Setting: 10 Daylight & 2 NV Compatible
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
Window Size: 20mm Diameter
Dimension (in): 2.75x1.43x1.62
Weight (oz): 3.74
Central Height (in): 1.63

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare