Holosun comparison
HS510C vs HE512T-RD
Two Offene Reflexvisiere Langwaffe / Geschlossene Reflexvisiere Langwaffe models compared head to head: 7 differences and 21 similarities per manufacturer’s data – with the strengths of both, the full data table and answers to the most common questions.
A
Holosun HS510C - Open Reflex Red Dot Sight
Offene Reflexvisiere Langwaffe
- Reticle
- 2 MOA Dot & 65 MOA Circle
- Window
- 0.91" × 1.26" (≈ 23,1 mm × 32,0 mm)
- Battery
- CR2032
€ 399,00€ 349,00
B
Holosun HE512T-RD Enclosed Reflex Sight Military Standard
Geschlossene Reflexvisiere Langwaffe
- Reticle
- 2 MOA Dot & 65 MOA Circle
- Window
- 0.91" × 1.26" (≈ 23,1 mm × 32,0 mm)
- Battery
- CR2032
€ 629,00
View product30-day right of returnDispatched within 24 h from AustriaFull manufacturer warranty
At a glance
28 features with data for both models: 7 differences, 21 similarities – all values are manufacturer’s specifications.
In favour of HS510C
- HS510C offers more brightness settings (10 Day & 2 Night Vision vs 8 Day & 4 Night Vision).
- HS510C is lighter: 140 g instead of 260 g (120 g less).
- HS510C is rated for higher shock resistance (5.000 G vs 1.000 G).
In favour of HE512T-RD
- HE512T-RD has the higher water protection rating (IPX8 vs IP67).
Other differences (no rating)
- Housing material: HS510C aluminium & titanium · HE512T-RD titanium
- Dimensions: HS510C 3.3" × 1.68" × 1.78" (≈ 83,8 mm × 42,7 mm × 45,2 mm) · HE512T-RD 3.35" × 1.63" × 1.7" (≈ 85,1 mm × 41,4 mm × 43,2 mm)
- In the box: HS510C HS510C-RD, lens cloth, multi-tool, manual, warranty card · HE512T-RD HE512T-RD, lens cloth, multi-tool, manual, warranty card
For HE512T-RD no manufacturer data is available for one feature (Battery tray).
Features: which model has what?
| Feature | HS510C | HE512T-RD |
|---|---|---|
| Selectable reticle (MRS) | yes | yes |
| Eye relief | yes | yes |
| Multi-coating | yes | yes |
| Automatic brightness | yes | yes |
| Solar Failsafe | yes | yes |
| Shake Awake | yes | yes |
| Lock mode | yes | yes |
| Memory function | yes | yes |
Specifications compared
Optics & reticle
| Feature | HS510C | HE512T-RD |
|---|---|---|
| Reticle | 2 MOA Dot & 65 MOA Circle | 2 MOA Dot & 65 MOA Circle |
| Selectable reticle (MRS) | Yes | Yes |
| Window | 0.91" × 1.26" (≈ 23,1 mm × 32,0 mm) | 0.91" × 1.26" (≈ 23,1 mm × 32,0 mm) |
| Magnification | 1x | 1x |
| Parallax | No | No |
| Eye relief | Yes | Yes |
| Multi-coating | Yes | Yes |
Controls & electronics
| Feature | HS510C | HE512T-RD |
|---|---|---|
| Brightness settings | 10 Day & 2 Night VisionAdvantage | 8 Day & 4 Night Vision |
| Automatic brightness | Yes | Yes |
| Solar Failsafe | Yes | Yes |
| Shake Awake | Yes | Yes |
| Lock mode | Yes | Yes |
| Memory function | Yes | Yes |
| Adjustment per click | 0.5 MOA | 0.5 MOA |
| Adjustment range | ±50 MOA | ±50 MOA |
Power supply
| Feature | HS510C | HE512T-RD |
|---|---|---|
| Battery | CR2032 | CR2032 |
| Battery life (manufacturer) | 50.000 hours | 50.000 hours |
| Battery tray | Yes | no manufacturer data |
Mounting & compatibility
| Feature | HS510C | HE512T-RD |
|---|---|---|
| Footprint / mount | Picatinny rail | Picatinny rail |
Housing, protection & dimensions
| Feature | HS510C | HE512T-RD |
|---|---|---|
| Housing material | aluminium & titanium | titanium |
| Housing colour / finish | Black | Black |
| Weight | 4.94 oz (≈ 140 g)Advantage | 9.17 oz (≈ 260 g) |
| Dimensions | 3.3" × 1.68" × 1.78" (≈ 83,8 mm × 42,7 mm × 45,2 mm) | 3.35" × 1.63" × 1.7" (≈ 85,1 mm × 41,4 mm × 43,2 mm) |
| Water resistance | IP67 | IPX8Advantage |
| Shock resistance | 5000 GAdvantage | 1000 G |
| Operating temperature | −30 °C to 60 °C | −30 °C to 60 °C |
| Storage temperature | −40 °C to 70 °C | −40 °C to 70 °C |
Laser & light
| Feature | HS510C | HE512T-RD |
|---|---|---|
| Wavelength | 650 nm | 650 nm |
Other
| Feature | HS510C | HE512T-RD |
|---|---|---|
| In the box | HS510C-RD, lens cloth, multi-tool, manual, warranty card | HE512T-RD, lens cloth, multi-tool, manual, warranty card |
All values are manufacturer’s specifications (holosun.com / holosun.eu) from the product data; “Advantage” only marks objectively directional measures (lighter, larger window, longer battery life, higher protection rating, more settings) and present features. Discrepancies between catalogue, manual and product page are flagged in the product’s editorial note.
Similarities
- Reticle 2 MOA Dot & 65 MOA Circle
- Selectable reticle (MRS) Yes
- Window 0.91" × 1.26" (≈ 23,1 mm × 32,0 mm)
- Magnification 1x
- Parallax No
- Eye relief Yes
- Multi-coating Yes
- Automatic brightness Yes
- Solar Failsafe Yes
- Shake Awake Yes
- Lock mode Yes
- Memory function Yes
- Adjustment per click 0.5 MOA
- Adjustment range ±50 MOA
- Battery CR2032
- Battery life (manufacturer) 50.000 hours
- Footprint / mount Picatinny rail
- Housing colour / finish Black
- Operating temperature −30 °C to 60 °C
- Storage temperature −40 °C to 70 °C
- Wavelength 650 nm
Frequently asked questions about this comparison
What is the main difference between Holosun HS510C and HE512T-RD?
HS510C offers more brightness settings (10 Day & 2 Night Vision vs 8 Day & 4 Night Vision). HS510C is lighter: 140 g instead of 260 g (120 g less). HS510C is rated for higher shock resistance (5.000 G vs 1.000 G).
Which model is lighter – HS510C or HE512T-RD?
HS510C weighs 4.94 oz (≈ 140 g), HE512T-RD weighs 9.17 oz (≈ 260 g) (manufacturer’s data).
Which batteries do HS510C and HE512T-RD use?
HS510C: CR2032. HE512T-RD: CR2032. Battery life per manufacturer: 50.000 hours and 50.000 hours respectively.
Do HS510C and HE512T-RD share the same footprint?
Yes, per manufacturer both use: Picatinny rail. Adapter plates and mounts are therefore generally interchangeable.
How are HS510C and HE512T-RD protected against water and shock?
HS510C: IP67, 5000 G. HE512T-RD: IPX8, 1000 G.