HS507K X2

(10 customer reviews)


Specifications for Holosun Sub-compact HS507K-X2 Red Dot Sights:

Color: Black
Finish: Anodized
Fabric/Material: 7075-T6 Aluminum
Magnification: 1 x
Objective Window Size: 0.58×0.77 in
Reticle: 2 MOA Dot & 32 MOA Circle
Illumination Type: LED
Illumination Color: Red
Eye Relief: Unlimited
Adjustment Type: MOA
Adjustment Click Value: 1 MOA
Parallax: no parallax adjustment
Optical Coating: Multicoated
Battery Type: CR1632
Battery Quantity: 1
Battery Life: 50,000 hours
Operating Temperature: -30 – 60 Celsius
Water Resistance Level: IP67
Weight: 1 oz
Condition: New
Magnification Type: Fixed
Quantity: 1
W/E Travel at 100 Yds: 30 MOA
Storage Temperature: -40 – 70 Celsius
Wavelength: 650 nm

Holosun 507k

Holosun 507k the HS507K X2 is an open reflex optical sight designed for concealed carry pistol applications. The X2 Series pistol optics feature two improvements. First is the addition of Lock Mode from our 2018-2019 LE pistol optic models. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Second, the buttons have been redesigned to compliment the Lock Mode by placing them lower and out of the way. Additional features include Holosun’s Super LED with up to 50k hours battery life, Multi-Reticle System, and Shake Awake.

Which is better Holosun 407k and 507K?
With the reticle and image quality, the 507k has the lead, since it has the Holosun Multiple Reticle System, allowing you to pick from 3 equally nice reticles. The 407k on the other hand only has the red dot and while it’s 4 MOA larger, just isn’t what some people are looking 

Holosun’s Solar Failsafe Technology is an innovative feature pioneered by Holosun in red dot sights. Solar Failsafe allows the red dot sight to remain powered when your battery fails. Holosun optics with Solar Failsafe feature automatic brightness adjustment; when you’re under the sun you have a bright reticle, when you move indoors it will automatically dim down to match ambient lighting conditions.

Holosun 507k for sale

The sub-compact pistol sized Holosun HS507K-X2 Red Dot Sight provides a large field of view paired with useful features that will help you stay on target while greatly reducing target acquisition time. Made for carry pistols, this optic offers a Lock Mode that prevents unintentional button presses while the optic is holstered and a side access battery tray, which allows the operator to change the battery without removing the optic from the firearm. Holosun machined this product from light yet rugged 7075 T6 aluminum and added a multicoated lens that provides a bright, crisp sight picture. The Holosun HS507K-X2 Red Dot Sight uses a high capacity lithium battery to power the optic, ensuring you’ll always have a reliable point of aim in the field.

Buy Holosun 507k

These optics are designed with Shake AwakeTM technology that senses motion to power the sight on and off, and last setting recall ensures you don’t lose your customized options once the unit powers down. This model offers up to 50,000 hours of battery life. Holosun’s Multi-Reticle System (MRS) gives the option of a 2MOA dot only, 32MOA ring only or ring with dot reticle. All versions are projected from the same LED, so no re-zeroing is needed when changing reticles. Enhance your shooting skills and create a better experience at the range by equipping your pocket pistol with a Holosun HS507K-X2 Red Dot Sight.

10 reviews for HS507K X2

  1. Ramsey

    Only took about 10 shots to zero, it was put on a hellcat and I was easily hitting 1 inch groups at 20 yards.

  2. Barry

    So I just had the same issue as some others I have seen, ordered the 507K-X2 and when I went to register the product on the holosun website and it says that it has already been registered, waiting to hear from customer support as everything seems like it’s new, it was listed as new and the box has a label that says it’s new, battery was already installed but I’m not sure if all the holosun sun optics like that or not since this is my first one, I will update

  3. Waters

    Red dot has 3 options for optic which is great and great brightness NV settings. Only issue is the shake awake no longer works, the timers do not work correctly. I’ve spoken with Holosun over the phone and gone thru the steps multiple times to reset and still not working. Therefore could be an issue with this individual optic. Therefore I can only give it a 3 star due to this is an important issue, shake awake should always work and timer should work. No need to drain my batteries and not turn on automatically. I’ll be reaching back out to see what can be done with the warranty and pending what they offer I will then re update my review

  4. Vardy

    first off its not a true 1x there is some magnification more like 1.2x very little ,but noticeable.
    then there’s a slight bit of lens distortion closer you get to the edges. none are deal breakers for me. this will be going on a sig p322 and used just for fun.
    Things I liked was reticule choice. I personally like circle dot. I feel my eye picks up the dot really quickly vs just a 2 moa dot.

  5. Coady

    first off its not a true 1x there is some magnification more like 1.2x very little ,but noticeable.
    then there’s a slight bit of lens distortion closer you get to the edges. none are deal breakers for me. this will be going on a sig p322 and used just for fun.
    Things I liked was reticule choice. I personally like circle dot. I feel my eye picks up the dot really quickly vs just a 2 moa dot.

  6. Chris

    It’s a great looking product! Super easy to install. My only concern is Prime Craft the seller I bought it from sent me a used product. I don’t feel like an entire refund is necessary cause it’s really in good shape but I might be seeking a partial refund because the screw bag was ripped open and the loctite had been stripped off like someone had installed it then returned it. There’s scratches around where the screws feed through the bottom plate of the sight and mount to the gun. The battery was also installed already and the product settings were altered. Unless they do that straight from the manufacturer which seems pretty strange to me seeing as they give you the tools to install it. Other than that, I can’t wait to bring it to the range!

  7. Junior

    Fit great on a 365xl. Easy to install, easy to adjust, change reticles ect and seems well made. The shake awake feature works perfectly too. Only about 100rds though it so far though.

  8. John

    Excellent “Red Dot” Optic. The best feature of this Optic is not having to remove it to change the battery. I would recommend Holosun Optics to anyone.

  9. Marion

    I love the fact that the battery can be changed without removing the sight from the gun! I used an adapter plate from C&H Precision to mount the optic to my Springfield Hellcat Pro. The plate is only .048″ thick, so the optic can still co-witness with my iron sights. The brightness selections are fantastic as is the choice between three different reticles. I highly recommend the Holosun HS507K X2. This set up also equipped with a streamlight TLR7 Sub weapon light is my primary concealed carry weapon.

  10. Carine

    I looked at all the optics and for the money I went with the 507k X2. I have been shooting handguns for 30+ years and this is my first red dot for a pistol. New in the box and it looks great. The reticle looks a little crooked to my eyes and I have contacted Holosun about the issue. I am sure they will make it right. Can’t wait for my mounting plate to arrive and see how it does with my 50+ year old eyes. I use cheaters to read with and hope this makes things just a bit easier. I plan on mounting this on my H&K VP9 (Optics Ready).
    I will give a follow up in a bit to see how things progress

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