Holosun HS510C Red Dot Sight Multi Reticle System Tan – HS510C-FDE
- Genuine UK stock — no import fees
- Estimated UK delivery is 10 Business Days
- Secure checkout
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Description
Holosun HS510C Red Dot Sight in Tan is the red-emitter original in Holosun's open reflex line and one of the brand's best-known rifle optics. The square 0.91 × 1.26 in window is wide enough to shoot with both eyes open without hunting for the reticle, and the Multi-Reticle System switches between a 2 MOA red dot, a 65 MOA circle and the circle-dot combination depending on how fast you need to be.
How It Compares
Would a green reticle suit your eyes better? The HE510C-GR is the same optic with a green emitter. If you want magnification behind it, see the HS510C + HM3X combo. Browse the rest of our rifle dot sights, and how to co-witness if you are working out sight heights.
Also available in: Black.
Ideal For
- AR-15 and carbine builds in tan or FDE
- Fast, both-eyes-open shooting
- Shooters who want to switch reticle depending on the stage
- Lower-1/3 co-witness setups
Key Features
- Multi-Reticle System: 2 MOA red dot, 65 MOA circle, or circle-dot
- Wide 0.91 × 1.26 in (23 × 32 mm) open window
- Quick-detach mount at 1.41 in lower-1/3 co-witness height
- Solar Failsafe with CR2032 and Shake Awake, up to 50,000 hours
- 0.5 MOA clicks, ±50 MOA of travel, aluminium housing rated IP67
Technical Specifications
- SKU / MPN / UPC: SKU HS510C-FDE / MPN HS510C-FDE / UPC 605930624991
- Reticle: Multi-Reticle System — 2 MOA red dot / 65 MOA circle / circle-dot
- Magnification: 1x, parallax-free, unlimited eye relief
- Viewing window: 0.91 × 1.26 in (23 × 32 mm)
- Windage / elevation per click: 0.5 MOA
- Total adjustment travel: ±50 MOA (windage & elevation)
- Mount: Quick-detach, 1.41 in lower-1/3 co-witness height
- Power: Solar Failsafe + CR2032, Shake Awake, up to 50,000 hours
- Housing: Aluminium, IP67
What's Included
- Holosun HS510C red dot sight in Tan
- Quick-detach co-witness mount
- CR2032 battery
Why buy from Red Dot Sight UK
A UK specialist in red dot sights, holographic sights and magnifiers from Trijicon, EOTech, Holosun and SIG Sauer — genuine optics, secure checkout and UK-based support.
Technical Specifications
| Brand | Holosun |
|---|---|
| Type | Red Dot Sight |
| SKU | HS510C-FDE |
| Barcode | 605930624991 |
| Availability | In stock |
Compatibility
Mounting Footprint
Confirm the optic's footprint matches your firearm's cut or plate.
Rail Compatibility
Pair with a matching Picatinny mount for rifle and carbine platforms.
Always confirm your firearm's optic cut or rail matches the footprint before purchase. Our guide to red dot sight footprints explains how to match an optic to your firearm. If unsure, contact our team for fitment advice.
Product FAQs
Which reticle should I use on the HS510C Tan?
On the Holosun HS510C the 65 MOA circle is quickest to catch at close range, the 2 MOA dot is the precise option, and the circle-dot gives you both at once. The Multi-Reticle System switches between them depending on how fast you need to be.
Does a magnifier work behind the HS510C Tan?
Yes, a magnifier works behind the Holosun HS510C, and there is an HS510C and HM3X combo listed if you want the pair matched. A flip-to-side setup lets you drop back to 1x instantly.
What mount is included with the HS510C Tan?
The Holosun HS510C Tan comes with a quick-detach mount at 1.41 in, giving lower one-third co-witness height. It is ready to fit a flat-top rail as supplied.
What is the battery setup on the HS510C Tan?
The Holosun HS510C Tan runs a CR2032 with Solar Failsafe and Shake Awake, rated up to 50,000 hours. The solar panel backs the battery up in daylight.
Is tan the only difference from the black HS510C?
Yes, the FDE and black versions of the Holosun HS510C share the same optic and specification. Only the finish differs.
How big is the window on the HS510C Tan?
The Holosun HS510C Tan has a wide 0.91 x 1.26 in open window, which is 23 x 32 mm. It is wide enough to shoot with both eyes open without hunting for the reticle.
What are the click values on the HS510C Tan?
Windage and elevation adjust in 0.5 MOA clicks on the Holosun HS510C Tan. Total travel is plus or minus 50 MOA in both windage and elevation.
Is the HS510C Tan weatherproof?
The Holosun HS510C Tan has an aluminium housing rated IP67. It is intended for AR-15 and carbine builds in tan or FDE.
Is the Holosun HS510C Tan magnified?
No, the HS510C Tan is a 1x sight that is parallax-free with unlimited eye relief. Magnification is added by fitting a magnifier behind it.
Is there a green-reticle version of the HS510C?
Yes, the HE510C-GR is the same optic with a green emitter. The HS510C Tan described here is the red-emitter original in Holosun's open reflex line.
What comes in the box with the HS510C Tan?
The box contains the Holosun HS510C red dot sight in tan, the quick-detach co-witness mount, and a CR2032 battery.
When will my Holosun HS510C Tan be delivered?
Estimated UK delivery is 10 business days. It ships as genuine UK stock, so there are no import fees to pay on arrival, and checkout is secured by Shopify.
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Orders are dispatched from the UK. Full details, options and timescales are on our shipping policy.
If something isn't right, our returns policy explains how to arrange a return or exchange.
Products are covered by the manufacturer's warranty. Coverage varies by brand.