Build Better With Brownells & Save 15% On $250+ Parts Order w/ Code: BUILDBETTER

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HOLOSUN HS507C-X2 REFLEX OPTICAL SIGHT

21 Reviews
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Summary
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$309.99 - $339.99

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HS507C-X2 REFLEX OPTICAL SIGHT

The HS507C X2 is an open reflex optical sight designed for full-sized pistol applications. The HS507C X2 improves on previous versions by adding Lock Mode which was first introduced in our 2018 LEM pistol optic models. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes.

Additional features include Holosun’s Red Super LED with up to 50k hour battery life, Solar Failsafe, Multi-Reticle System, and Shake Awake. The durable housing is made from 7075 Aluminum, uses an industry standard footprint, and houses the 1632 battery in a side-mounted tray for easy replacement when needed.


FEATURES:

Solar Failsafe™
Solar Failsafe Technology is one of many innovations featured on solar-equipped Holosun optics. With Solar Failsafe, if your battery fails you always have a backup power source when natural or artificial light is available. Solar Failsafe is activated while in Auto Mode where reticle intensity is automatically adjusted based on the amount of light the solar cell receives. In brighter conditions you have a brighter reticle and in lower-light conditions the reticle will step down in intensity to match any lighting conditions. On models equipped with a super capacitor, it is possible to run the optic, indefinitely, in daytime and night conditions, by maintaining a charge through the Solar Failsafe System all without a battery.

Shake Awake™
Shake Awake Technology is a standard feature on all current model Holosun optics and serves to extend battery life by deactivating the optic’s LED while not in use. A highly sensitive motion sensor works to detect motion keeping the LED powered on during use. This allows for duty or concealed carry with seamless operation throughout your day or shift. At the end of your day or shift when your firearm is stored, the motion sensor will detect a motionlessness state and after 10 minutes (default setting) Shake Awake Technology powers the LED off until motion is again detected. Shake Awake offers settings from 10 minutes to 12 hours depending on the model and can be deactivated altogether if preferred. The slightest touch of the optic instantly reactivates the LED so your Holosun optic is ready when needed.

Multilayer Reflective Glass
Holosun’s use of Grade 5 Titanium in certain Elite category optics and laser devices results in unparalleled strength and durability. Holosun Grade 5 Titanium has more than double the tensile strength and has five-times the fatigue strength of 7075 Aluminum. Grade 5 Titanium is also able to withstand the corrosiveness of seawater making Holosun Titanium model optics and lasers suitable for use in maritime environments.

Multiple Reticle System
Multi-reticle System (MRS) equipped Holosun optics allow you to determine the type of aiming point you want to use when you want to use it. Holosun optics equipped with MRS let you select a fast sight picture for shorter distances with a 65 MOA circle with 2 MOA dot (rifle optics) or a 32 MOA circle with 2 MOA dot (handgun optics). The large circle can help you obtain a sight picture faster, allows for a hold-over reference, and helps to guide your eye to the 2 MOA dot. The large ring can be deactivated leaving just the 2 MOA dot for an uncluttered sight picture and increased precision. Regardless of your application, Holosun’s Multi-reticle System offers the ultimate in optical sight customization for sportsman and professional users alike.


INCLUDED IN BOX:

  • T10 L Key
  • User Manual
  • CR1632 Battery
  • Lens Cloth

SPECIFICATIONS:

  • Window Size: 0.63x0.91
  • Dimension (in): 1.78x1.15x1.15
  • Weight (oz): 1.5
  • Housing Material: 7075 T6 Aluminum
  • Surface Finish: Anodize
  • Adjustment per Click: 1 MOA
  • W&E Travel Range: ±50 MOA
  • Storage Temperature: -40℃~70℃
  • Working Temperature: -30℃~60℃
  • Submersion: IP67
  • Vibration: 5000G
Available options: 
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HS507C-X2 REFLEX OPTICAL SIGHT Reviews
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Overall Rating
4.8
21 Reviews
Review Summary
The Holosun HS507C-X2 is highly praised by users for its crisp reticle, excellent battery life, and innovative features like the solar backup and side-loading battery compartment. Although some reviewers mention minor inconveniences with button placement and adjustments, the overall performance, ease of installation, and value for money make this sight a favorite among shooters.
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21 Reviews
November 22, 2023
Good for the money
Great never need to really worry about batteries and goes off rmr footprint great optic
Was This Review Helpful?
February 02, 2025
Crisp and Durable
I picked up the Holosun HS507C-X2 for my pistol, and it has exceeded my expectations.The reticle is super crisp, the solar backup is a nice touch, and I love that the battery compartment is side-loading.It holds zero like a champ, even after some rough handling.
MORE DETAILS
Was This Review Helpful?
September 09, 2021
Just BUY It.!
I LOVE IT.Great looking sight, great value and very well made.Works great both for night vision and day light.Not to big or small.Fits my custom G17 slide perfectly.and Will buy another for the FN509c Tact.BROWNELLS shipping and package was great with handle care and on a day early.Will buy again and more from this company and Holosun
Was This Review Helpful?
February 27, 2022
Would buy again
I think that the holisun 507 c X2 is one of the best sights that you can have for a pistol regardless of brand or price.I currently own four of the holisun 507 c X 2 sights and one older model the 507 c.The 507c has the battery on the bottom which I never did like, but I used this sight for years and with the battery life being so long it was not a big deal.However after years of use I finally had trouble with it and holisun without question replaced it with a updated new one.
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August 21, 2021
Impressive!
Straight to the point, the HE507C is awesome.It is way beyond my expectations.There are a lot of "programming" options to understand, but that means flexibility.Purchased this along with the G19 gen3 RMR slide and slide kit.They all went together in less than 10 minutes.Note however that the 507 comes with mounting #6-32 x 5/16" screws.These DO NOT work with the Brownell G19 RMR Slide.Fortunately, Brownell includes two sets of #4-40 screws, 1/4" and 5/16" long.The 5/16" fits perfectly.
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Customer Questions
Customer Questions
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078000495
078000496
078000497
078000544
078200002
078200003
078200004
100002689
100010622
100016422
100025309
100026146
100043178
100043179
100043425
100043426
100043427
100043428
100045150
430100409
430102192
430103050
430103901
430104857
430104858
892000133
892000134
892000135
945000001
945700008
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95 Questions
E
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Enrique Lim
November 26, 2024
this optic will fit CZ Shadow 2 Orange? do I need mount plate to install the optic? do you sell the optic plate for CZ Shadow 2 orange? thanks
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11
K
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kyleCompany Answer
November 27, 2024

it uses an RMR footprint, for their plate system.

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00
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Jamey Bennett
June 22, 2024
How do I mount this site to a SA35?
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10
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Customer CareCompany Answer
June 26, 2024

You would need a mounting plate that we currently do not carry.

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10
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Matt Oakes
March 14, 2024
HE507C-GR-X2 2 MOA Green Circle Dot Sight, does this fit the P365 XL
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00
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Matt SCompany Answer
March 14, 2024

This fits a RMR footprint so if you have a slide or adapter plate for that footprint then this will fit.

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ALEXANDER
March 05, 2024
Will it work with Walther PDP -F? Thanks
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30
K
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kyleCompany Answer
March 08, 2024

yes

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20
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Larry Ayres
March 04, 2024
Looking for a red dot to fit a 1911 Remington R one ?
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10
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Matt SCompany Answer
March 05, 2024

It would depend on the mount and footprint you are using but this could be used on that pistol yes.

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Scott Williams
March 01, 2024
Will this fit the tx22 competition?
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10
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Bart HansenCompany Answer
March 01, 2024

No, you would need an adapter plate, RMSc to RMR.

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10
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Andres
February 15, 2024
Will this model fit a PSA Dagger RMR cut?
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20
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Matt SCompany Answer
February 16, 2024

Yes it should fit an RMR cut.

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10
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Renee
January 05, 2024
Would this fit a Gen 3 Glock 26 and what will I need? Or Would a “k” would be better? Also Brownells, do you make a G26 slide cut for one of these?
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10
K
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kyleCompany Answer
January 05, 2024

this reddot will work with this slide:

RMR Slide +Window for Glock 26 Gen 1-4 SS Nitride

Brownells #078000479MFR

#GLOCK 26 RMR SLIDE F&R CUTS W/

UPC050806112773

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10
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Tom Pennock
December 11, 2023
Will the HE507c fit a Kimber KDS9C and if so which base plate is needed?
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10
K
K
Kasey FischCompany Answer
December 15, 2023

No, it will not. This one will... HE507K-GR X2 MRS Green Circle Dot Red Dot Sight Brownells #100048110

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William Fontenot
December 08, 2023
Will this work on a Mossburg 590s.
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10
M
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Matt SCompany Answer
December 19, 2023

You would need a picatinny adapter to mount to a rail but yes it could.

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20