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After rigorous field testing, this optic has been given a Silver-tier rating by the National Tactical Officers Association (NTOA).
The Holosun HS507C-X2-ACSS is a new generation of pistol red dot sight packed full of features like the multiple reticle system, solar failsafe, and shake awake technology to ensure your reflex sight is always operational when you need it. On top of the two battery-saving techniques, the HS507C-X2 reflex sight features up to 20,000 hours of Battery Life on setting 6 with the CR1632 battery. This battery is located in a convenient tray that slides out and allows you to easily change it without having to remove the optic from your pistol. This model features the revolutionary, patent-pending ACSS Vulcan reticle with an outer circle. It features 7075-T6 aluminum construction with an anodized black finish and fully multicoated glass for long-term durability.
The revolutionary patent-pending ACSS Vulcan reticle provides a large circle guiding the eyes towards the 10 MOA center chevron, eliminating one of the biggest challenges for shooters new to slide-mounted red dots. If you are off-center, a portion of this outer circle will appear in the window to give you an instant reference on how to get centered. The circle phases out of the sight window completely when the center chevron is properly aligned in the sight window. This patent-pending reticle function significantly improves sight acquisition. It takes the common frustration of hunting for the center reticle out of the equation. Don't need the circle? It can be easily deactivated to extend the battery even further.
NOTE: Does not include Picatinny mount.
ADDITIONAL NOTE: Astigmatism can cause a red dot reticle to look blurry/fuzzy. This is a very common eye condition many have but are unaware of. A quick at home check is to take a picture of the reticle with your phone’s camera as your phone cannot have an astigmatism. Another issue can be from having the brightness setting up too high in a bad lighting environment like indoors. Try turning the brightness down and repeating the previous suggestion if the reticle is still blurry to your eyes. If the reticle is still blurry in both pictures, there may be an issue with the reticle that is covered.
EXPORT CONTROLLED ITEMS: These items are controlled for export and may require an export license from the U.S. Government. Buyer acknowledges that Buyer is responsible for obtaining all export licensing authorizations and filing all export documents prior to export from the United States.
ACSS Vulcan Reticle
How To Use Outer Ring
Bullet Drop Compensation By Handgun Caliber
Bullet Drop Compensation By Rifle Caliber
Charlie V.
Reviewed in the United States on February 3, 2025
Very pleased with this red dot. Fits perfectly on a Canik Rival 02 adapter plate for the RMR footprint. Sighted in with laser cartridge, had to raise it about 20 clicks, but once at the range, Took 3 sets of 3 shots to have it in the bulls eye at 10 yards, and at 25 yrds. Noticing tighter groups during both dry fire laser practice. and at the range live firing, especially when doing my shifting target routines. The chevron for me really does help for quicker pickup and the 20mm circle is a great addition to help get the chevron where you need it quickly. The only down side for me is it is a bit dim in very low light and if you do use a light, it will wash out the chevron. It would be AWESOME if there was a front facing light pickup so that if/when using a light for low/no light conditions it would auto adjust the chevron brightness. Great product and glad spent the extra!!
JDD
Reviewed in the United States on February 19, 2025
The chevron works very well for me because I have astigmatism and I can still see it clearly.
Gnysgt. Dean
Reviewed in the United States on February 16, 2025
Great sight this is the second one I have purchasedGets you to the dot quickly and is the best sight I have found
Brannon Hicks
Reviewed in the United States on January 17, 2025
I have a few holosun optics and find them reliable. This Vulcan reticle is easy to acquire, and it is particularly useful when shooting from unorthodox positions.
Rich
Reviewed in the United States on September 13, 2024
The ACSS vulcan chevron on this is superior to a basic red dot in that it allows for quicker acquisition and pinpoint accuracy using the very top of the chevron. I have the HS 507C X2 (not ACSS version) also, it has the basic red dot presentation. I shoot better with the vulcan sight.I also have the HS 507K on a micro pistol. It is a great red dot, but doesn't have the vulcan chevron.The red dot purists seem to not like the chevron I hear, and I understand that as the basic dot may not obscure as much -- but in using the chevron I've found it enhances target acquisition, especially in follow up shots.The large outside circle is also very helpful if you need it, but I generally never see it except when moving to shoot. Then it offers a quick reminder and aid to get chevron on target. If you hold gun at normal arm's length grip, you'll hardly ever see the big circle -- and if you do, it's helpful and not obtrusive.The chevron also gives you basic holdover pictures if you want to shoot at longer distances.For me, after shooting basic red dots for a couple years, this vulcan reticle is superior. Doubt I'll go back to basic red dot, but never say never..........ha.
Thomas Burns
Reviewed in the United States on November 12, 2024
It’s good choice. My problem is that I do t line the arrow. It’s too big. I would order a small dot. I hope they listen to customers and put that out. Not just in another use case but one that is this exactly with a dot
Ethosian
Reviewed in the United States on October 4, 2024
This is my second ACSS Vulcan from Holosun. The reticle is a green chevron that I find can really help keep your shots on target. Fairly quick target acquisition is aided by a large circle around the reticle so you know which way to compensate to get the reticle in view. Any slowness is not because of the optic, it's because I'm not shooting enough to be a competitive shooter.I've heard mixed reviews from other shooters, but I love the fact that this optic goes dormant in your safe, but if you move the pistol, the holographic sight turns itself on. With some of my other red-dot sights, I have to remember to turn them on, and turning them on is not as quick as flicking off a safety. I like that this one turns itself on so you're quickly ready for business if that becomes necessary. Also the optic has a photocell on top to give the battery longer life.I've had two Glock slides machined for this optic and wish that slide machining was as common an option for some of my 1911s.When your iron sights start blurring out on you, it's time for one of these, they really make a difference.
Edward S.
Reviewed in the United States on October 15, 2024
Competitively priced. Quick delivery. The sighting capability is awesome right out the box. A little tweaking (centered the red dot) improved my aim. The fit on my pistol, excellent. Installation was easy and the optional solar boost, hopefully will be a plus.
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