The Holosun HS510C weighs 4.94 ounces, is 3.3 inches long, 1.8 inches wide, and 2.31 inches tall. When mounted, it sits high enough for an absolute co-witness. If you really want a lower third sight picture, you can purchase a spacer to raise the height.
Technical Specifications
Holosun HS510C Open Reflex Sight
| Reticle | 2 MOA Dot & 65 MOA Circle |
| Light Wavelength | 650nm |
| Reticle Color | Red |
| Parallax Free | Yes |
| Unlimited Eye Relief | Yes |
| Magnification | 1x |
| Multi-Coatings | Yes |
| Power Source | Battery |
| Battery Type | CR2032 |
| Battery Life (Hours) | 50000 |
| Brightness Setting |
10 DL&2 NV
|
| Window Size | 0.91×1.26 |
| Dimension (in) | 3.3×1.68×1.78 |
| Weight (oz) | 4.94 |
| Housing Material | Aluminum & Titanium Hood |
| Surface Finish | MAO |
| Adjustment per Click | 0.5 MOA |
| W&E Travel Range | ±50 MOA |
| Storage Temperature | -40℃~70℃ |
| Working Temperature | -30℃~60℃ |
| Submersion | IP67 |
| Vibration | 1000G |













