The Holosun HE510C-GR & HM3X Green Dot Sight and Magnifier Combo is a Holosun rifle dot sight with Multi-Reticle System: 2 MOA dot and 65 MOA reticle and 0.91 x 1.26 in window.
How It Compares
Browse all rifle dot sights or the full Holosun range. Covered by the Holosun factory warranty — check the current term with us before you buy.
Ideal For
- Fast target acquisition with the Multi-Reticle System: 2 MOA dot and 65 MOA circle reticle
- Picatinny rails, with a quick-detach lever so the optic comes off and goes back on zero
- Both-eyes-open shooting, where irons slow you down
- Running on a CR2032 side-loading tray cell
Key Features
- Reticle: Multi-Reticle System: 2 MOA dot and 65 MOA circle, selectable
- Brightness: 10 daylight and 2 night vision settings, manual and automatic
- Window: 0.91 x 1.26 in.
- Mount: Quick detach Picatinny, 1.41 in. optic height for absolute co-witness
- Battery: CR2032 side-loading tray, up to 50,000 hours
- Housing: Aluminum with titanium protective hood, IP67, 5000G rated
- Weight: 4.94 oz (sight)
- Dimensions: 3.3 x 1.68 x 1.78 in. (sight)
About This Model
- Sight: Holosun HE510C-GR open reflex sight
- Reticle: Multi-Reticle System: 2 MOA dot and 65 MOA circle, selectable
- Dot Color: Green, 540 nm
- Window: 0.91 x 1.26 in.
- Mount: Quick detach Picatinny, 1.41 in. optic height for absolute co-witness
- Bundle contains the HE510C-GR reflex sight and the HM3X 3x flip-to-side magnifier, supplied with a case
- Solar Failsafe supplements battery power using ambient light
Technical Specifications
Type | Rifle Dot Sight |
Sight | Holosun HE510C-GR open reflex sight |
Reticle | Multi-Reticle System: 2 MOA dot and 65 MOA circle, selectable |
Dot Color | Green, 540 nm |
Window | 0.91 x 1.26 in. |
Mount | Quick detach Picatinny, 1.41 in. optic height for absolute co-witness |
Magnifier | Holosun HM3X 3x magnifier on a flip-to-side mount |
Battery | CR2032 side-loading tray, up to 50,000 hours |
Power Backup | Solar Failsafe |
Brightness | 10 daylight and 2 night vision settings, manual and automatic |
Weight | 4.94 oz (sight) |
Dimensions | 3.3 x 1.68 x 1.78 in. (sight) |
Housing | Aluminum with titanium protective hood, IP67, 5000G rated |
SKU / MPN / UPC | HE510C-GR+M3X / HE510C-GR+M3X / 810047073536 |
Please Note
Holosun names this set the HE510C-GR & HM3X Green Dot Combo and some distributors write the part number as HE510C-GR/HM3X. The magnifier supplied is the HM3X.
Warranty
Covered by the Holosun factory warranty — check the current term with us before you buy.
US Shipping & Support
Shipped from D&R Sports Center in the USA with fast, tracked delivery. Questions on fit, mounting or which model suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
Which reticle does it have?
Multi-Reticle System: 2 MOA dot and 65 MOA circle, selectable.
Is the reticle illuminated?
10 daylight and 2 night vision settings, manual and automatic.
What does it mount to?
Quick detach Picatinny, 1.41 in. optic height for absolute co-witness.
What battery does it take?
CR2032 side-loading tray, up to 50,000 hours.
Is this a genuine Holosun product?
Yes — factory-new Holosun, supplied through US distribution. The part number is HE510C-GR+M3X and the barcode is 810047073536.
What warranty does it carry?
Covered by the Holosun factory warranty — check the current term with us before you buy.
