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In stock — ready to dispatchSKU: HE507COMP-GR
In stock and dispatched within 1 business day. Free UK shipping on all orders. 30-day returns on unused items in their original packaging.
Covered by the manufacturer's warranty. Contact our UK support team for any warranty assistance.
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The Holosun HE507COMP Green Dot Sight is built for one thing: winning races on the clock. This open-emitter green dot sight uses an oversized competition window that practically disappears in front of your eye, so your dot finds the target instead of you hunting for it through the glass. It is a favourite among UK practical-pistol and steel shooters — and it is in stock for fast UK dispatch.
The standout feature is Holosun's Competition Reticle System (CRS): dial in a precise 2 MOA dot for accuracy, or open up to 8, 20 or 32 MOA circles for maximum speed — switchable on the optic, no tools needed. The green LED holds up better than red against bright outdoor backgrounds, and Shake Awake plus Lock Mode keep it ready without draining the cell.
IDEAL FOR
KEY FEATURES
TECHNICAL SPECIFICATIONS
| Reticle | 2 MOA Dot / 8 / 20 / 32 MOA Circle |
| Reticle Type | Competition Reticle System (CRS) |
| Illumination | LED (Green) |
| Brightness Settings | 10 Daylight / 2 Night Vision |
| Battery Type | CR1632 |
| Battery Life | Up to 50,000 Hours |
| Click Value | 1 MOA |
| Windage Adjustment Range | ±30 MOA |
| Elevation Adjustment Range | ±30 MOA |
| Parallax | Parallax Free |
| Mount Type | RMR footprint |
| Window Size | Oversized competition window |
| Housing Material | 7075-T6 Aluminium |
| Finish | Hard Anodised Black |
| Waterproof Rating | IP67 |
| Vibration Rating | 5000G |
| Warranty | Limited Lifetime Warranty |
| SKU / MPN | HE507COMP-GR |
| UPC | 810047072911 |
WHAT'S INCLUDED
UK Delivery & Support
This Holosun HE507COMP is UK-stocked and dispatched tracked from our UK warehouse — no import duties or customs delays — backed by UK-based aftersales support and Holosun's limited lifetime warranty.
How It Compares
Prefer the ACSS Vulcan or a multi-reticle carry optic? See the HE507C-X2. Want the Ronin-series build? The Ronin HE507COMP. Browse all green dot sights and our pistol optic guide.
Frequently Asked Questions
Green dot vs red dot — which should I choose?
Green is easier for most eyes to pick up in bright daylight and tends to appear crisper, which is why competition shooters favour it. The only trade-off is slightly higher battery draw — a non-issue here given the 50,000-hour rating.
What pistols does the HE507COMP fit?
It uses the RMR footprint, so it mounts directly to any slide cut or adapter plate machined for a Trijicon RMR — one of the most widely supported patterns available.
Is it open or enclosed?
Open-emitter, which keeps it lightweight and gives the widest possible sight window — ideal for competition use over duty or concealed carry.
How do I change the battery?
Via a side-loading CR1632 tray — you can swap the battery without removing the optic or re-zeroing.
What do the CRS reticle options do?
A 2 MOA dot for precision, or 8/20/32 MOA circle-dots for fast acquisition on larger or closer targets.
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