HOLOSUN HE510C-GR / HS510C Multi-Reticle 2 MOA Dot & 65 MOA Circle Open Reflex Sight for Long Guns - Solar FailSafe Shake-Awake Waterproof Sight with 12 Brightness Settings - Red/Green Dot Options
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Availability:
In Stock.
Arrives
Sunday, Jul 20
Style: Red 2 MOA Dot & 65 MOA Circle (HS510C)
Features
- HOLOSUN RED DOT SIGHT - The HS510C sight is a versatile open reflex optic designed for long gun applications; It is at home on carbines, PCCs, and shotguns due to its durable design; This gun sight has an aluminum housing with titanium hood for added shock resilience and includes a QD absolute co-witness mount (1.41" dot height); This red dot sight is packed with Solar Failsafe, Shake Awake, MRS (Multi-Reticle System), Red Super LED with up to 50k hour battery life
- MULTI-RETICLE SYSTEM - This Holosun red dot sight is equipped with MRS to let you select a fast sight picture for shorter distances with a 65 MOA circle with 2 MOA dot; The large circle allows for a hold-over reference and helps 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
- SHAKE AWAKE TECHNOLOGY - Extends battery life by deactivating the optic's LED while not in use; 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 reflex sight is ready when needed
- SOLAR FAILSAFE - If your battery fails, this red dot sight has 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: 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
- SPECIFICATION - Reticle: Red 2 MOA Dot & 65 MOA Circle; Light Wavelength: 650nm; Magnification: 1x; Parallax Free & Unlimited Eye Relief; Power Source: Battery; Battery Type: CR2032; Battery Life (Hours): 50000; Brightness Setting: 10 DL & 2 NV Compatible; Window Size: 0.91x1.26; Housing Material: Aluminum & Titanium Hood; Surface Finish: MAO; Adjustment per Click: 0.5 MOA; W&E Travel Range: 50 MOA
Brand: HOLOSUN
Color: Red 2 MOA Dot & 65 MOA Circle (HS510C)
Style: Red 2 MOA Dot & 65 MOA Circle (HS510C)
Product Dimensions: 3.3"L x 1.8"W x 1.7"H
Sport: One Size All
Item Weight: 8.32 ounces
Material: Aluminum, Titanium
Magnification Maximum: 1 x
Objective Lens Diameter: 30 Millimeters
Magnification Minimum: 1 x
Brand: HOLOSUN
Color: Red 2 MOA Dot & 65 MOA Circle (HS510C)
Style: Red 2 MOA Dot & 65 MOA Circle (HS510C)
Product Dimensions: 3.3"L x 1.8"W x 1.7"H
Sport: One Size All
Item Weight: 8.32 ounces
Material: Aluminum, Titanium
Magnification Maximum: 1 x
Objective Lens Diameter: 30 Millimeters
Magnification Minimum: 1 x
Compatible Devices: Firearms with 1913 Picatinny Rail
Mounting Type: Rail Mount
Night vision: No
Field Of View: 25 Degrees
Model Name: 510C
Manufacturer: Holosun
Reticle Type: 65 MOA circle with 2 MOA dot
UPC: 350102577789 605930624571
Global Trade Identification Number: 71
Item Package Dimensions L x W x H: 4.84 x 3.62 x 3.15 inches
Package Weight: 0.37 Kilograms
Item Dimensions LxWxH: 4.75 x 3.62 x 3.12 inches
Brand Name: HOLOSUN
Warranty Description: Limited Lifetime
Suggested Users: unisex-adult
Number of Items: 1
Part Number: HSHS510C
Model Year: 2016
Included Components: CR2032 Battery
Size: One Size
Hand Orientation: Ambidextrous
Date First Available: November 26, 2016
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Jul 20
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Style: Red 2 MOA Dot & 65 MOA Circle (HS510C)
This is just an awesome red dot. Super easy to install, love the quick disconnect. Nice big clear glass and your choice of dot or circle or both. Easy to sight. Long lasting battery with wake function if sight is moved. You will love this sight. Great price for an outstanding red dot!
Reviewed in the United States on May 9, 2025 by J
Style: Red 2 MOA Dot & 65 MOA Circle (HS510C)
Glass Optical Quality/Characteristics Holosun 501c: Excellent – Glass adds almost imperceptible blueish color. The coating on the glass nearly completely blocks red laser light. EoTech XPS2-0: Excellent – Glass adds almost no color. Trijicon MRO HD: Good – Has almost imperceptible magnification factor (probably around 1.05x). As noted by other reviewers, it is possible to sometimes see a reflection of the emitter/circuit board. This reflection is only visible under unusual/momentary lighting conditions. Neither the magnification nor occasional reflection bothered me. Dot Quality/Characteristics Holosun 501c: Excellent – nearly perfect line/dot quality. Very cool ability to switch between a single red dot and a red dot surrounded by a 68 MOA segmented circle. EoTech XPS2-0: Good – but the center dot and the segmented circle is slightly fuzzy, like it is made up of a bunch of tiny, smudged pixels. Cannot switch to center red dot only. Trijicon MRO HD: Excellent – nearly perfect line/dot quality. Very cool ability to switch between a single red dot and a red dot surrounded by a 68 MOA segmented circle. Parallax Holosun 501c: Very good – almost no/very little perceptible parallax. EoTech XPS2-0: Excellent – almost no perceptible parallax. Trijicon MRO HD: Very good – almost no/very little perceptible parallax. Battery Holosun 501c: Rated at 50,000 hours with one CR2032 for dot-only, 20,000 hours for dot + segmented circle. Also has “shake to wake” feature. Can be left “on” for years. EoTech XPS2-0: Rated for ~500 hours with CRA123. Auto shutoff feature means that it may not be “on” if grabbed in the middle of the night. Trijicon MRO HD: 2.5 Years of continuous use of dot; 75 days of continuous use for complex reticle. Bulk/Field of View Holosun 501c: Largest viewing window, with several milimeters of additional height over the XPS2-0. Thinner/smaller metal casing, resulting in near-perfect field of view. No visible battery compartment. EoTech XPS2-0: Large viewing window. Slightly thicker casing than Holosun, but forward battery placement allows for otherwise unobstructed view (i.e. compared to Aimpoint PRO). Trijicon MRO HD: Smaller tubular viewing window, but still easy to use with both eyes open. Slightly bulky control wheel on top (also holds battery). Construction Holosun 501c: Made in China. Overall seems well built. Quick Detach level is relatively thin metal and could break or bend if dropped while half-way open. Otherwise, seems like it could hold well through hundreds of QD cycles. LED emitter is not fully enclosed and could theoretically be damaged (but very unlikely as it is recessed). EoTech XPS2-0: Made in USA. Seems very well built. Trijicon MRO HD: Made in USA. Seems well built. Mount is not quick release and requires unusual keyed tool to attach/detach with screws.
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Reviewed in the United States on September 12, 2020 by CAAmazoner
Style: Red 2 MOA Dot & 65 MOA Circle (HS510C)
I have owned this little optic for about a year now. First on a rifle but now resides in my home defense shotgun. I have found this to be a tough well made optic that holds zero even through punishing recoil of a shotgun. I have had zero issues with the QD mount attaching to the picc rail of my firearm and once there it is rock solid. The reticle is crisp and clear even with aging eyes. The adjustments in illumination level is easy and is palpably visible. There is some blurring on the highest level, but this in no way makes the optic unusable at this level. The sighting adjustments are a little mushy, but you can feel each click. I was able to Ranger Wrap my 510c to match my A 300 and that was like icing on the cake for this tough little guy. One drawback is that it has an open emitter that could become dirty or occluded. After several range trips in dry dusty conditions, I have yet to experience a failure in function. This optic is a solid addition that you can depend on plus your wife won't kick you out after purchasing it!!
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Reviewed in the United States on October 26, 2024 by Craig Holt Craig Holt
Style: Red 2 MOA Dot & 65 MOA Circle (HS510C)
New item was priced fairly and shipped quickly. Operates as designed. No disappointments here. Great addition to a CMMG BR4.
Reviewed in the United States on May 20, 2025 by Mark T Miles
Style: Green 2 MOA Dot & 65 MOA Circle (HE5...
I almost bought an EOTech, but after looking into it more, I realized some flaws I wasn't okay with. First, battery life for the EOTech was subpar. 1000 hours versus a theoretical 50k hours for the Holosun. Win number 1 for Holosun in my book. Second, was the lack of a backup. EOTech is just glass without a battery. The Holosun and its solar backup and its ability to use solar instead of battery when in full sun was clutch. So I bought the Holosun. I couldn't be more impressed. The mount was solid, and easy to use. I did buy the spacer to raise it. Without the spacer it felt slightly low. I would highly recommend buying the spacer. The glass is clear and the reticle is sharp. Was very impressed. In good light you can hardly tell you are looking through glass. I am very impressed with this optic, and I would highly recommend it for anyone looking for a solid red dot.
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Reviewed in the United States on June 16, 2025 by M Garza
Style: Red 2 MOA Dot & 65 MOA Circle (HS510C)
The old adage, "You get what you pay for" holds true for this sight. I really tried to find a lower priced sight that would be "almost as good" as this sight. I'm not a fan of overpaying for something that's a couple of percentage points better. I believe that I will never regret paying the extra price for this sight. The construction of it is exceptional. I purchased it for my Ruger PC9 and it sits perfectly! The large screen (glass) is super easy to sight. I like the built-in solar array to support the battery (it doesn't charge the battery but the sight runs off of it instead of the battery in bright light). I also like the automatic mode where the unit changes brightness depending on the ambient light and turns off after 10 minutes of inactivity. Then is wakes up when it senses movement, and it doesn't take much. I have red dot sights on my handguns as well and I've always like them. This sight has a 65 MOA ring that can be selected along with (or by itself) the red dot making it extremely easy to locate even in high stress situations. You won't be disappointed that you purchased this sight. Although you might have to eat beans and wieners for a few meals to pay the extra price. Do it. You'll be glad you did in the long run.
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Reviewed in the United States on February 28, 2022 by D. Howe
Style: Red 2 MOA Dot & 65 MOA Circle (HS510C)
This optic is excellent, great field of view, easy to sight in, holds zero and a great asset to my Daniel Defense AR . 5Stars!
Reviewed in the United States on May 18, 2025 by Robert Morgan
Style: Red 2 MOA Dot & 65 MOA Circle (HS510C)
This is the best option for the money. The thing doesn't even need a battery to work i own several and they're reliable and tough and no one else has the features they have.
Reviewed in the United States on June 18, 2025 by Rob