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Questions & Answers
Does this have shake awake? Based on pictures, there is no solar charging, is that correct?

Yes, it does have shake awake, and it does solar charge. The panel isn't visible from this image, but it is in that little dip behind the eyepiece.

by BelmontZiimon, Verified Owner, February 21, 2026
Does this come with the carrying case like the stars red dot / magnifier combo?

Yes, I received a black carrying case with my order

by Ricky, Verified Owner, May 7, 2026
Customer Reviews
Most Recent Reviews
holosun he510c combo by Lane Mckinney, Verified Owner, June 9, 2026
crispy reticle, very sleek not bulky and ugly. easy install and zeroing, sealed from any water damage.
Most Recent Reviews
great sight by Dr AR, Verified Owner, May 26, 2026
Works great and just right for my ar or any other ar for that matter. Just wish the coupon they will give for this review was worth anything. Maybe I should take a star back for that p
Most Recent Reviews
Great stuff from Holosun by Bobby, Verified Owner, February 28, 2026
Product description matched the item and I am very pleased with my purchase.
0/1 found this helpful
Read All 3 Reviews
Color:
Black
Reticle:
2 MOA dot 65 MOA Circle
Illumination Color:
Green

Code: 28Y-RD-HE510C-GRHM3X

MPN: HE510C-GR/HM3X

UPC: 810047073536

List: $605.87Save 15%
$514.99

Product Info for HOLOSUN HE510C-GR 1x 0.91x1.26in Reflex Red Dot Sight and HM3X 3x Magnifier Combo

The HE510C-GR is a versatile open reflex optic designed for long gun applications. HE510C-GR is at home on carbines, PCCs, and shotguns due its durable design. HE510C-GRfeatures and aluminum housing with titanium hood for added shock resilience and includes a QD absolute co-witness mount (1.41in dot height). HE510C-GR is packed with Holosun innovations including Solar Failsafe, Shake Awake, MRS (Multi-Reticle System), Green Super LED with up to 50k hour battery life, with 10 daylight and 2 night vision compatible intensity settings. A lower 1/3 co-witness spacer is available separately from Holosun dealers that increases the dot height to 1.63in. The HM3X is an aluminum bodied 3X magnifier designed for use in conjunction with a red dot sight. The HM3X is feature-packed and includes a quick release, ambidextrous, flip-to-side Picatinny rail mount. Holosun includes a spacer with the HM3X that provides compatibility with absolute and lower 1/3 co-witness dot heights for maximum compatibility. The HM3X has a generous 2.75in of eye relief, is IP67 certified water resistant, and includes windage and elevation adjustment for precision zeroing to your optic's zero. The HM3X also includes a built-in flat driver tool for easy adjustments.image

Specifications for HOLOSUN HE510C-GR 1x 0.91x1.26in Reflex Red Dot Sight and HM3X 3x Magnifier Combo:

Manufacturer: Holosun
Color: Black
Fabric/Material: Aluminum
Magnification: 1 x, 3 x
Objective Window Size: 0.91x1.26 in
Reticle: 2 MOA dot 65 MOA Circle
Illumination Type: LED
Illumination Color: Green
Brightness Settings: 12
Eye Relief: 70 mm, Unlimited
Adjustment Click Value: 0.5 MOA
Emitter Type: Open
Parallax: Parallax Free
Battery Type: CR2032
Battery Life: 50000 hours
Operating Temperature: -30 - 60 Celsius
Water Resistance Level: IP67
Weight: 4.94 oz, 9.8 oz

HOLOSUN HE510C-GR 1x 0.91x1.26in Reflex Red Dot Sight and HM3X 3x Magnifier Combo

HOLOSUN HE510C-GR 1x 0.91x1.26in Reflex Red Dot Sight and HM3X 3x Magnifier Combo Orderable Models

List of Orderable Models

  • HOLOSUN HE510C-GR 1x 0.91x1.26in Reflex Red Dot Sight and HM3X 3x Magnifier Combo, Black, HE510C-GR/HM3X , MPN: HE510C-GR/HM3X , UPC: 810047073536 , Code: 28Y-RD-HE510C-GRHM3X
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Last updated 2026-06-23 UTC.