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Questions & Answers
Is there a magnifier for this optic? Expert Answer

Yes, most magnifiers will work. Here is a link to a Holosun model:

https://www.opticsplanet.com/holosun-hm3xt-3x-red-dot-magnifier.html

by Jonathan D., Gear Expert, May 22, 2019
If I have an a2 front sight block, is it stupid to buy this or should I get a low profile gas block and then put on an optic? Expert Answer

It is not stupid as many people like their red dot to be in line with their front sight. If you do not want your front sight to be at all visible, then you either need to tall mount or replace the gas block with a low profile.

by Armando R., Gear Expert, November 30, 2019
Customer Reviews
Helpful Positive Review
Nice red dot by James, October 31, 2018
Very nice reticle on this optic. I have an aim point micro t1 that I compared it to, and looking through both optics I could hardly tell the difference between the two. The auto shutoff and shake awake feature is also a big plus for me. I like not ha...
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9/9 found this helpful
Helpful Positive Review
Holosun HS403GL by Mark, Verified Owner, March 29, 2019
I purchased this optic for my first AR-15 build chambered in 5.56. Right out of the box the red dot was fairly close to true. It took me about 5 minutes and 3 rounds to dial it in. Once I had it zeroed in that's all it needed. After around 750 it has...
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8/8 found this helpful
Helpful Positive Review
Great Budget Red Dot by Spencer, January 20, 2020
This seems to be a very economic alternative to the aimpoint & Trijicon products that I usually go with. It is up to the end user if this would be For “duty” use, however my needs were met for a budget build. Excited to see how long the battery will ...
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2/2 found this helpful
Helpful Negative Review
There is a huge red glare on the upper half of the glass, I see it even when it is turned off and in daylight. It is way to distracting to see the all red in the upper half of the sight. It might be bad glass. I tried it again in the day, same result...
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6/7 found this helpful
Read All 4 Reviews

Product Discontinued by Manufacturer

OpticsPlanet Exclusive Holosun HS403GL 2 MOA Micro Red Dot Sight has been discontinued by Holosun and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Red Dot Sights & Accessories, Red Dot Sights yourself to try and find the perfect replacement for you!

Product Info for OpticsPlanet Exclusive Holosun HS403GL 2 MOA Micro Red Dot Sight

Mount this OpticsPlanet Exclusive Holosun HS403GL 2 MOA Micro Red Dot Sight onto your Picatinny or Weaver rail for a compact optic that will guide your aim on target with pure precision. These Red Dot Sights from Holosun are CNC-machined with a T6061-T6 aluminum housing that protects the inner workings while keeping the entire device lightweight. The OpticsPlanet Exclusive Holosun HS403GL 2 MOA LED Micro Red Dot Sight is designed with Shake Awake Motion technology that powers the device on and off based on movement, conserving your battery for when you need it most. Get the OpticsPlanet Exclusive Holosun HS403GL 1x20mm Micro Red Dot Sight to enhance your accuracy in close to mid-range scenarios.image

Features of Holosun HS403GL 2 MOA Micro Red Dot Sight:

  • Parallax free with unlimited eye relief
  • Push button controls and streamlined housing design
  • Shake Awake Motion based on and off
  • Low mount and 1/3 Co-witness mount included
  • Adaptable to Picatinny and Weaver rails
  • CNC machining with T6061-T6 aluminum housing

Package Contents:

  • Holosun HS403GL 2 MOA Micro Red Dot Sight

Red Dot Accessories

160 / 60
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Red Dot Sight Magnifier

117 / 17
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Related Products to OpticsPlanet Exclusive Holosun HS403GL 2 MOA Micro Red Dot Sight

OpticsPlanet Exclusive Holosun HS403GL 2 MOA Micro Red Dot Sight Unavailable & Discontinued Models

List of Unorderable Models

  • OpticsPlanet Exclusive Holosun 403GL 1x 2 MOA Aluminum Micro Red Dot Sight,Flat Dark Earth, HS403GL FDE , MPN: HS403GL FDE , UPC: 605930625097 , Code: 28Y-RD-HS403GL-HS403GL-FDE
  • Holosun 403GL 1x 2 MOA Aluminum Micro Red Dot Sight, Black, HS403GL , MPN: HS403GL , UPC: 760921087503 , Code: 28Y-RD-HS403GL-HS403GL
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