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Holosun Paralow HS403GL

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Holosun Paralow HS403GL Details

About the Paralow series

Paralow is one of the red dot sight series made by Holosun. On the outside, these small tube sights are very familiar to the Micro red dot sights made by the famous Swedish red dot sight manufacturing company. The illumination is powered by a CR2032 battery. The click value for the elevation and windage adjustments is 0.5 MOA. These durable red dot sights feature a single-piece housing made out of aluminum. Altogether, there are 12 illumination intensity levels to choose from, 2 of which are NVD compatible. The battery life is 50.000 hours.

About the model family

The 403 is one of the model families in the Paralow series. The first number '4' in its name suggests that it features a 2 MOA dot. The second number '0' implies that the product comes with standard accessories (without honeycomb filter, quick-release mount and flip-up lens covers).

About the product (HS 403 GL)

HS403GL is a red dot sight of the Paralow series.

The letter 'G' means that the battery compartment of the red dot sight is on the right side of the device, under a round-shaped cover. Also, it lacks the solar panel, which is why this model has buttons for the regulation of illumination intensity on the top instead of on the side. 'L' indicates that this is a new, improved model that retained the features of the previously introduced model (with the device HS403GL, for example, symbol ā€œLā€ indicates that it is an improved model of the HS403G device).

The product features the ShakeAwake function. When left powered on, the device will go from 'active mode' to 'sleep mode' after a while to prevent unnecessary battery drain. Once moved, it will power back on immediately.

Main features:

  • 2 MOA dot

  • comes with a low mount and a high mount for lower third co-witness on standard AR platforms

  • ShakeAwake

  • same mounting platform as Aimpoint Micro devices

  • 12 illumination intensity levels, 2 of them are NVD compatible

  • Parallax free

  • 50.000 hours of battery life

  • the battery compartment is on the right side of the device under a round shaped cover

Mounting details

These small tube sights come with a high mount for an AR platform (lower 1/3 co-witness) and a low mount for other mounting purposes (such as mounting on a rifle). All models in the Paralow series except the ones with the letter 'A' in their name have the same mounting platform as the Aimpoint Micro devices.

Warranty

The warranty is 5 years on the material and 3 years on the electronics.

For more information regarding the Holosun symbols, check our blog post.

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Holosun Paralow HS403GL Specifications

ManufacturerHolosun
SKUHS403GL
Dot Sight TypeSmall tube sight
Variable magnification No
Maximal magnification1x
Lens diameter No
Field of view
Twilight Factor
Relative Brightness
Light transmission
Lens coating Fully Multicoated
MaterialNo
Reticleillum. Dot
Dot size2 MOA
Adjustment per click 14mm/100m - 1/2MOA
Elevation
Windage No
Reticle illumination Yes
Day time usable illumination Yes
Illumination color Red
Parallax setting parallax free
Diopter range
Fast focus eyepiece No
Waterproof Yes
Fogproof Yes
ShockproofYes
Temperature range
Filled with Nitrogen
ColorBlack
Length66 mm
Tube diameter No
Objective diameter
Eyepiece diameter
Mount length
Mount rail Yes
Mount typePicatinny
Power SupplyNo
Auto-TurnOff No
Weight138 g
In production since2014
Warranty2 years
Made inChina
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Reviews for Holosun Paralow HS403GL

Best buy By
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Quality
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5
I use this sight on my AR15 and cant see any reason why I should buy an other more expensive sight. Holosun is well made, has no parallax error and works without problem. My best buy in red dots category.

(Posted on 01/05/2016)

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