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HOLOSUN

HOLOSUN HS507K Compact Pistol Red Dot Sight, 1 MOA Green ACSS Vulcan Reticle, HE507K-GR-X2-ACSS, Black

  • Based on 95 reviews
Condition: New
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$369.99 Why this price?
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Availability: Only 3 left in stock, order soon!
Fulfilled by Primary Arms
Arrives Jun 5 – Jun 6
Order within 14 hours and 4 minutes
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Features

  • Footprint compatibility: Direct mounting compatibility with Holosun 407K/507K
  • ACSS Vulcan Dot reticle system: Patented 3 MOA center dot paired with a 230 MOA outer reference circle guides the eye back to the aiming point when off-center. Two selectable reticle modes allow users to run with or without outer circle
  • Ultra-compact and lightweight design: CNC-milled 7075-T6 aluminum housing with a hardcoat anodized finish delivers durable, carry-ready construction in a 1.0 oz open emitter package purpose-built for concealed carry applications
  • Green LED illumination with 12 brightness settings: Green-illuminated reticle provides a bright, crisp aiming point across a wide range of lighting conditions; IP67-rated weather sealing protects internal components from dust and moisture
  • Shake Awake technology: Motion-sensing activation powers on the sight when movement is detected and powers down when not in use to conserve power. Up to a 40,000-hour runtime on medium setting
  • Holosun limited lifetime warranty: Backed by Holosun's limited lifetime warranty for long-term confidence in your optic investment

Brand: HOLOSUN


Color: Black


Style: Pistol Sight


Sport: Hunting


Item Weight: 1 Ounces


Material: Aluminum


Magnification Maximum: 1 x


Magnification Minimum: 1 x


Compatible Devices: Handgun


Mounting Type: Picatinny Mount


Magnification Maximum: 1 x


Magnification Minimum: 1 x


Compatible Devices: Handgun


Mounting Type: Picatinny Mount


Night vision: No


Reticle Type: Green ACSS Vulcan Dot


Item Weight: 1 Ounces


Color: Black


Product Style: Pistol Sight


Lens Color: Black


Material Type: Aluminum


Brand Name: HOLOSUN


Sport Type: Hunting


Model Name: HE507K-GR-X2-ACSS


Manufacturer: HOLOSUN


UPC: 810047072409


Model Number: HE507K-GR-X2-ACSS


Unit Count: 1.0 Count


Warranty Description: Limited Lifetime


Included Components: CR1632 3V Lithium Coin


Item Type Name: scope


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jun 5 – Jun 6

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • The best micro dot that exists for micro edc handguns
Best optic currently available for everyday carry micro compact handguns. On these tiny window optics it can be nearly impossible to “find the dot” when presenting the firearm, especially under stress. This baby has the dashed 230 MOA outer ring to help drive you right on target to the center 3 MOA dot, without even having to think about it. Its use is naturally intuitive and could literally save your life. Even pros like it for when shooting from weird positions such laying down or one handed behind cover sideways. Only thing better would be a fully enclosed emitter model, but no such beast exists as of this review. They haven't yet figured out how to package an enclosed emitter in such a micro optic. This thing is so tiny, but I absolutely love it more than any other optic I own, which are many. ... show more
Reviewed in the United States on October 18, 2025 by Shaun A
    • My go to optic.
I have two of these. On a subcompact handgun they are great. The ACSS Vulcan Reticle makes is much easier to get on target quickly. Several of my friends have tried it and they all say it's their favorite too. Holosun's side battery trey is so much more convenient than some of my other micro dots that require me to remove the optic to change the battery, making it necessary to rezero. They also make an ACSS reticle for the 507C and it is just as impressive. ... show more
Reviewed in the United States on November 30, 2025 by Gunhand
    • Can't go wrong with this little sight.
Small compact, fits nice on my G19. I will likely buy another one.
Reviewed in the United States on May 19, 2026 by Amazon Customer
    • Love mine wife didn’t like hers
Have this on my sig 365 and love it. My wife has same weapon and did not like the optic….replaced with red laser
Reviewed in the United States on May 17, 2026 by Bob Penrod
    • Great compact sight.
Great battery life, holds zero. Fits P365 xmacro comp with no modifications.
Reviewed in the United States on February 24, 2026 by Dean
    • Worth every bit of the money!
This dot is really fast to locate! I will be putting this on all my pistols. Only problem I had is from the 3 sets of screws they sent they did not include any M4 screws which is what my gun needed. I would highly recommend this site.
Reviewed in the United States on December 31, 2025 by Amazon Customer
    • Love the ACSS feature
Great dot. Haven't found anything to criticize. Well made, fit my P365X Macro perfectly. Can still see the iron sights. Zero has been very stable so far. I bought the soft cover for it as the lenses are not super easy to clean.
Reviewed in the United States on October 24, 2023 by David Gaddes
    • Fantastic optic
Absolutely fantastic optic. Chevron green makes tsrget acquisition easy. Simple to zero and it holds. Will be buying more for other pistols I own.
Reviewed in the United States on October 4, 2025 by Amazon Customer

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