Holosun comparison
HS407C X3 vs HS407K X2
Two Offene Pistolen-Reflexvisiere / Micro-Pistolenoptiken models compared head to head: 9 differences and 18 similarities per manufacturer’s data – with the strengths of both, the full data table and answers to the most common questions.
A
Holosun HS407C X3 Black – 2 MOA Red Dot Sight
Offene Pistolen-Reflexvisiere
- Reticle
- 2 MOA Dot
- Window
- 0.91" × 0.67" (≈ 23,1 mm × 17,0 mm)
- Battery
- CR1632
€ 319,90€ 299,00
B
Holosun HS407K X2 Black Red Dot Sight
Micro-Pistolenoptiken
- Reticle
- 6 MOA Dot
- Window
- .58" × 0.77" (≈ .1473,2 mm × 19,6 mm)
- Battery
- CR1632
€ 325,00€ 283,60
30-day right of returnDispatched within 24 h from AustriaFull manufacturer warranty
At a glance
27 features with data for both models: 9 differences, 18 similarities – all values are manufacturer’s specifications.
In favour of HS407C X3
- HS407C X3 has Automatic brightness, HS407K X2 does not (per manufacturer).
- HS407C X3 has Solar Failsafe, HS407K X2 does not (per manufacturer).
- HS407C X3 runs longer on one battery per manufacturer: 100.000 h instead of 50.000 h.
In favour of HS407K X2
- HS407K X2 has the larger window (.58" × 0.77" (≈ .1473,2 mm × 19,6 mm) vs 0.91" × 0.67" (≈ 23,1 mm × 17,0 mm)).
- HS407K X2 offers more brightness settings (10 Day & 2 Night Vision vs 8 Day & 4 Night Vision).
- HS407K X2 is lighter: 28 g instead of 44 g (16 g less).
Other differences (no rating)
- Reticle: HS407C X3 2 MOA Dot · HS407K X2 6 MOA Dot
- Footprint / mount: HS407C X3 RMR Footprint · HS407K X2 Holosun K Footprint
- Dimensions: HS407C X3 1.78" × 1.32" × 1.1" (≈ 45,2 mm × 33,5 mm × 27,9 mm) · HS407K X2 1.6" × .98" × .95" (≈ 40,6 mm × .2489,2 mm × .2413,0 mm)
Features: which model has what?
| Feature | HS407C X3 | HS407K X2 |
|---|---|---|
| Selectable reticle (MRS) | no | no |
| Eye relief | yes | yes |
| Multi-coating | yes | yes |
| Automatic brightness | yes | no |
| Solar Failsafe | yes | no |
| Shake Awake | yes | yes |
| Lock mode | yes | yes |
| Memory function | yes | yes |
Specifications compared
Optics & reticle
| Feature | HS407C X3 | HS407K X2 |
|---|---|---|
| Reticle | 2 MOA Dot | 6 MOA Dot |
| Selectable reticle (MRS) | No | No |
| Window | 0.91" × 0.67" (≈ 23,1 mm × 17,0 mm) | .58" × 0.77" (≈ .1473,2 mm × 19,6 mm)Advantage |
| Magnification | 1x | 1x |
| Parallax | No | No |
| Eye relief | Yes | Yes |
| Multi-coating | Yes | Yes |
Controls & electronics
| Feature | HS407C X3 | HS407K X2 |
|---|---|---|
| Brightness settings | 8 Day & 4 Night Vision | 10 Day & 2 Night VisionAdvantage |
| Automatic brightness | YesAdvantage | No |
| Solar Failsafe | YesAdvantage | No |
| Shake Awake | Yes | Yes |
| Lock mode | Yes | Yes |
| Memory function | Yes | Yes |
| Adjustment per click | 1 MOA | 1 MOA |
| Adjustment range | ±30 MOA | ±30 MOA |
Power supply
| Feature | HS407C X3 | HS407K X2 |
|---|---|---|
| Battery | CR1632 | CR1632 |
| Battery life (manufacturer) | 100.000 hoursAdvantage | 50.000 hours |
Mounting & compatibility
| Feature | HS407C X3 | HS407K X2 |
|---|---|---|
| Footprint / mount | RMR Footprint | Holosun K Footprint |
Housing, protection & dimensions
| Feature | HS407C X3 | HS407K X2 |
|---|---|---|
| Housing material | 7075-T6-aluminium | 7075-T6-aluminium |
| Housing colour / finish | Black | Black |
| Weight | 1.55 oz (≈ 44 g) | 1 oz (≈ 28 g)Advantage |
| Dimensions | 1.78" × 1.32" × 1.1" (≈ 45,2 mm × 33,5 mm × 27,9 mm) | 1.6" × .98" × .95" (≈ 40,6 mm × .2489,2 mm × .2413,0 mm) |
| Water resistance | IP67 | IP67 |
| Shock resistance | 5000 G | 5000 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 | HS407C X3 | HS407K X2 |
|---|---|---|
| Wavelength | 650 nm | 650 nm |
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
- Selectable reticle (MRS) No
- Magnification 1x
- Parallax No
- Eye relief Yes
- Multi-coating Yes
- Shake Awake Yes
- Lock mode Yes
- Memory function Yes
- Adjustment per click 1 MOA
- Adjustment range ±30 MOA
- Battery CR1632
- Housing material 7075-T6-aluminium
- Housing colour / finish Black
- Water resistance IP67
- Shock resistance 5000 G
- 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 HS407C X3 and HS407K X2?
HS407C X3 has Automatic brightness, HS407K X2 does not (per manufacturer). HS407C X3 has Solar Failsafe, HS407K X2 does not (per manufacturer). HS407C X3 runs longer on one battery per manufacturer: 100.000 h instead of 50.000 h.
Which model is lighter – HS407C X3 or HS407K X2?
HS407C X3 weighs 1.55 oz (≈ 44 g), HS407K X2 weighs 1 oz (≈ 28 g) (manufacturer’s data).
Which batteries do HS407C X3 and HS407K X2 use?
HS407C X3: CR1632. HS407K X2: CR1632. Battery life per manufacturer: 100.000 hours and 50.000 hours respectively.
Do HS407C X3 and HS407K X2 share the same footprint?
No. HS407C X3: RMR Footprint – HS407K X2: Holosun K Footprint. Switching therefore usually requires a different adapter plate.
How are HS407C X3 and HS407K X2 protected against water and shock?
HS407C X3: IP67, 5000 G. HS407K X2: IP67, 5000 G.