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Questions & Answers
Does this come ready to put on a picatinny rail? Expert Answer

Yes, it is ready to be mounted to a picatinny rail.

by Armando R., Gear Expert, June 26, 2019
Does this red dot come them with a low mount or do you have to buy separately? Expert Answer

The red dot will come with a low mount and a lower 1/3rd co-witness mount per Holosun.

by Armando R., Gear Expert, June 26, 2019
Customer Reviews
Helpful Positive Review
Holosun Review by Dawkahab, July 18, 2021
Only complaint is that it is slow to activate other than that, I have not used it enough to properly evaluate. It was recommended to me by a police agency SWAT team leader, they have several. I do not like your survey page, an don't appreciate wastin...
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4/33 found this helpful
Helpful Positive Review
I recently took a 2-day gun fighter carbine course and had the new Holosun HS403R mounted on a Geissele Super Precision mount, and the results were impressive. After a total of 1,300 rounds over a 16 hour course of fire, the optic still remained zero...
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26/26 found this helpful
Helpful Positive Review
Great alternative to the T2 by David36, February 17, 2024
Looking for a cost effective alternative to my Aimpoint T2, I was recommended the Hs403R from a friend. I love my T2. The 1/3 mount height and 20mm objective is perfect for on the move, quick shooting. I also wanted the knob for adjustments as oppose...
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1/1 found this helpful
Helpful Positive Review
Great Dot for Money by Nick, March 12, 2024
Well made dot for the CZ scorpion. Great quality. Dot is not hazy at all and battery life is unmatched.
1/1 found this helpful
Helpful Positive Review
HS403R RED DOT by brudd55, March 18, 2024
Nice red dot. Put this on a new AR15 5.56 flat top. With my older eyes, I can still shoot half dollar groups @ 50 yards. I didn’t give it 5 stars only because I’m not crazy about the illumination function. It works as it should, maybe I’ll get use to...
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1/1 found this helpful
Helpful Positive Review
Low Buget Goodness by NKGrizzly36, Verified Owner, April 25, 2024
If you’re looking for a low budget Optic look no further. I love Holosun you can go wrong with them!
1/1 found this helpful
Read All 38 Reviews
Color:
Black
Finish:
MAO
Fabric/Material:
Aluminum
Magnification:
1 x
Objective Lens Diameter:
20 mm
Objective Window Size:
20 mm
Reticle:
2 MOA Dot
Illumination Type:
LED
Illumination Color:
Red
Brightness Settings:
10
Eye Relief:
Unlimited
Adjustment Type:
MOA
Adjustment Click Value:
0.5 MOA
Emitter Type:
Enclosed
Parallax:
Parallax Free
Optical Coating:
Multi-Coating
Battery Type:
CR2032
Battery Life:
100000 hours
Operating Temperature:
-22 - 140 Fahrenheit
Weather Resistance:
Yes
Water Resistance Level:
IP67
Length:
2.75 in
Width:
1.43 in
Height:
1.62 in
Weight:
3.53 oz
Condition:
New
Magnification Type:
Fixed
Red Dot Sights-Footprint:
Not Applicable
Attachment Type:
Picatinny
Mount Type:
Picatinny
W/E Travel at 100 Yds:
50 MOA

Code: 28Y-RD-HS403RDS-HS403R

MPN: HS403R

UPC: 605930625295

Product No Longer Available

Product Info for Holosun HS403R 2 MOA Red Dot Sight

When you need to snap to targets quicker and with enhanced precision, look to the Holosun HS403R 1x Red Dot Sight. These versatile Red Dot Sights made by Holosun harness their proprietary advanced LED technology to get up to 100,000 hours of operation on a single CR2032 battery. You also get unlimited eye relief and field of view paired with a parallax-free experience for the most comfortable views possible. Plus, the Holosun HS403R 2MOA Red Dot Sight has a rheostat dial that offers 12 adjustable brightness settings, 10 for daylight and 2 that work with night vision devices. The lightweight aluminum housing protects the optic, and it's also shockproof, waterproof and fogproof for use in any conditions. Get your Holosun HS403R LED Red Dot Sight today to hone your shooting skills at the range.image

Features of Holosun HS403R 1x Red Dot Sight:

  • 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

Package Contents:

  • Holosun HS403R 1x Red Dot Sight

Red Dot Accessories

1–60 / 60
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Red Dot Sight Magnifier

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Red Dot Sight Mounts

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Holosun HS403R 2 MOA Red Dot Sight Unavailable & Discontinued Models

List of Unorderable Models

  • Holosun HS403R Classic Series Red Dot Sight, 1x, 2 MOA Dot, CR2032 Battery, Black, HS403R , MPN: HS403R , UPC: 605930625295 , Code: 28Y-RD-HS403RDS-HS403R
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