Holosun HS507C-V2 Review – The Ideal Open Reflex Sight


Over the years the popularity of reflex sights has continued to grow. These compact red dots are a great option for handguns, backup rifle sights as well as SBRs. The Holosun Technologies industry has released the HS507C reflex sight. This model is yet another great example of an optic that has managed to gain a lot of popularity. The design of this sight, as well as the amazing features, has made it a favorite amongst many shooters.

If you have been thinking about purchasing a reflex sight for your AR pistol or your handgun, chances are that you are taking some time to consider different options that will work best for you. This Holosun HS507C Reflex Sight is one of the most affordable options that are available in the market. Out of the box, this red dot can be mounted onto any pistol that is designed with a reflex sight cut. The sight is also designed with a number of mounting options.

With ten different daylight options and two-night vision brightness features, this reflex sight is ready for any kind of task or mission that you toss at it. It is parallax-free with a dual power system as well as a battery that can function for a total of 200,000 hours when the dot reticle is adjusted to a brightness setting of five. When operating this optic at regular use with the dot reticle adjusted to function on the daylight settings, the battery will last for about 10,000 hours. This is an average run time of 416 days.

Holosun HS507C-V2 Review and Breakdown 

Holosun HE507C-GR-V2 Multi-Reticle 2 MOA and 32 MOA Circle Parallax Free Pistol Green Dot Sight with Solar Failsafe and Shake Awake, Green
  • VERSATILE AND PRECISE: Multi-Reticle System features 2 MOA dot and 32 MOA giving you different range...
  • COMFORT: Parallax-free function will hold your position, giving you unlimited eye relief
  • RELIABLE: Holds up to 50,000 hours of battery life on one C1632 battery; draws solar energy power after...
  • ADJUSTABLE BRIGHTNESS: Adjust the sight's super green LED light up to 12 different brightness settings to...

With this Holosun HS507C-V2 optic, you get the chance to make use of an innovative cutting-edge technological feature that is within a firm and solid chassis. This reflex sight is strong enough to withstand the strong effects of continuous recoil of your slide scope or pistol. This optic can also work well even when exposed to EDC (Everyday Carry Conditions). This reflex sight features very rich options and the high quality and great standard of the HS507C are very impressive.

The updated model is designed with the battery compartment on the upper side, making the action of replacing the battery so easy. The previous models came with very small pencil eraser controls and replaced them with bigger pencil eraser controls that are much cleaner and tactile.

With this model, you get the chance to work with a high-performing optic. This optic is a great option for all types of civilian and professional activities. Shooters get to make a choice from three different reticle patterns and 12 light settings. To achieve a great level of target engagement, there are 36 different options that you can choose from. The good news is that these options work well even when exposed to different types of environmental conditions.

Most shooters buy the 507C model and mount them on their handguns and pistols, however, this optic will still perform well even when mounted on shotguns, carbine, and rifles. As a shooter, you are guaranteed that you will benefit from this great model.

What we liked 

  • The bright green dot sight is very dependable and ready for any kind of shooting activity. The external conditions and environment that the sight is exposed to will not affect the performance of this reflex sight.
  • Its small and compact design makes it a great fit for all types of EDC handgun applications. It is also a great choice for rifles, carbines, and shotguns.
  • This reflex sight has a very long battery life thanks to the automatic shut on and off feature. The CR1632 battery model as well as the incorporation of a solar array power allows the sight to function well for an extended period.
  • This 507C V2 comes with a LED illumination power source that provides you with a clear and crisp dot even when exposed to really bright conditions.
  • Holosun Technologies Multiple Reticle System (M.R.S) gives the shooter a chance to choose between using the 2 MOA dot and the 32 MOA ring. If you are working in close-quarter combat situations the 32 MOA will come in handy, while the 2 MOA dot is a great choice if you are looking to benefit from the precision and if you want to achieve a target picture that is not obstructed.

What we didn’t like 

  • The battery is not easily accessible
  • The control buttons are not of great quality

View Price on Amazon

Holosun HS507C-V2 Key Specs  

Holosun HS507C-V2
Reticle Size
2 MOA Dot and 32 MOA Ring
Brightness Levels
10 Daylight and 2 Night Vision
Light Source
Unlimited Eye Relief
Battery Type
CR1632 lithium coin battery
Battery Life
10,000 hours

Holosun HS507C-V2 Features  


This reflex sight is a computer numerical machined optic. It is designed with a 7075-aluminum material making it durable, tough and the chassis is light in weight. The 507C model only weighs 2.65 ounces. Its length is 1.8 and its width is 1.2. This reflex sight has a similar footprint to Trijicon RMR making it fit into any mount for an RMR model or even a milled slide.

The rounded top of the 507C is small in size. The viewing window measures 0.63 inches by 0.91 inches. To ensure that you benefit from a snag-free operation, the top is rounded and the sides are free from any kind of protrusion. This comes in handy when operating and drawing together with any kind of tactical gear.

This sight is also designed with a water Protection rating IP67. This factor makes it possible to immerse the optic into the water up until 1 meter. The optic will function properly for about 30 minutes. With this IP67 rating, shooters can work with the sight no matter what the environmental or climatic conditions are. You do not have to be afraid of the damage that it will be exposed to from factors such as dust or moisture.

Reticle Dot 

This Holosun 507C model, you will get to make use of a 3x option. In addition, a green dot that is at 2 MOA is included. This is a great choice when you are looking to benefit from accuracy. Where you need to attain a great level of target acquisition, there is the option of switching up to a green reticle of 32 MOA. With this reflex sight, you can make use of the ring that is 32 MOA as well as a 2 MOA dot. When shifting from one reticle to another, you will not be concerned about setting your sight at zero over and over again. This is because this optic is designed to constantly maintain your aim and impact.

The brand-new green LED illuminates this reticle. This LED was manufactured by the Holosun Technology manufacturing industry. It was specially designed to be more effective than their basic red dot. This green LED does not use too much power even when adjusted to the highest brightness setting.

Holosun HS507C-V2 is designed with 12 different brightness settings. 10 of these settings are made for daylight use, while the 2 additional settings can be used with all types of night vision features. With all of these illumination functions, shooters should not have any problem adjusting to different types of lighting conditions and environments.


Holosun manufacturing company specially designed this model with their unique Shake Awake function. With this feature, your sight will automatically set to the sleep function. This happens when the sight fails to detect any kind of motion around. The sight goes off after the time that the shooter has specified and as soon as any kind of motion is detected, it will automatically come on. Another great advantage is that it will activate to the previous brightness level that was used.

This Shake Awake feature works well in conserving the battery power. It also allows the sight to remain on which is necessary for all types of self-defense uses or professional use. This reflex sight also comes with a Failsafe feature. To completely keep on the illumination all this optic need is a source of light. The battery made of lithium also acts as a power source, providing the sight with a battery life that will last for thousands of hours.

Who is it best suited for?  

Thanks to the elite features and functions, this red dot is a great choice for sports marksmen, hunters, individuals who take part in sport shooting activities, and airsoft. The different light intensity levels as well as the fact that the sight is compatible with night vision features make it a great choice for law enforcement military use. Other great factors such as battery life and the design of the optic, prove that it was made to perform well in law enforcement activities.

Are there any alternatives to the Holosun HS507C-V2 

Yes, there are. Some of the best alternatives of the Holosun HS507C-V2 includes the Leupold Delta Pro and the Trijicon RMR Type 2.

Features of the Holosun HS507C-V2 alternatives  

Leupold Delta Pro
Trijicon RMR Type 2
Reticle Size
2 MOA, 7.5 MOA
3.25 MOA
Magnification level
Material Type
Forged Aluminum
1.92 Ounces
1.2 Ounces
Weather Proof

Verdict: So, should you get the Holosun HS507C-V2 

The Holosun HS507C-V2 is very affordable, and you are guaranteed that you will gain a lot from your dollar. Many shooters have mentioned that in their everyday use with the HS507C reflex sight, they have not experienced any outstanding problem that would prevent them from recommending this product. It is a very affordable option when compared to other red dots in the market, and with it, you are able to accomplish many great tasks just like other optics that are placed at a higher price point. You can purchase the Holosun HS507C with a lot of confidence and as a shooter, you are assured that your performance will only be improved with this great sight.


Is the Holosun 507C suitable for the RMR cut?  

The 507C model is suitable for your RMR. This Holosun 507C is designed with a similar footprint just like Trijicon RMR model. In many different cases, shooters use the mounting plate that comes with the RMR, however, you will need to make use of longer screws.

Is a red dot sight a better option than an iron sight?  

A red dot sight is specially designed to eliminate the use of back to front alignment for your sight. This is associated with your iron sight. This factor shortens the time that would be used to get an optic picture. All you need to do is place the dot onto your target.


Please enter your comment!
Please enter your name here