SIG Sauer
SIG Sauer ROMEO4S Red Dot Sight - 1 MOA Ballistic Circle Plex
SIG Sauer ROMEO4S Red Dot Sight - 1 MOA Ballistic Circle Plex
Couldn't load pickup availability
SIG Sauer ROMEO4S Red Dot Sight - 1 MOA Ballistic Circle Plex
Features
- 1 MOA Red Dot with Ballistic Circle Plex Reticle – Offers both precision and speed by combining a crisp center dot with a surrounding circle for fast target acquisition and holdovers.
- Hybrid Solar and Battery Power – Runs on both solar power and a CR2032 battery, offering more than 100,000 hours of continuous runtime.
- MOTAC™ (Motion Activated Illumination) – Automatically turns on when motion is detected and powers down when idle to save battery.
- 12 Illumination Settings – Includes 10 daylight settings and 2 night vision-compatible modes for all lighting conditions.
- TruHold™ Lockless Zeroing System – Twin adjustment springs ensure zero retention under recoil and rough handling.
- High-Performance Optical Coatings – Ultra-clear lens coatings for excellent light transmission and minimal distortion.
- 7075-T6 Aluminum Housing – Rugged construction with integrated steel shroud to protect the optic under extreme use.
- Waterproof and Fogproof – IPX-7 rated for submersion up to 1 meter; nitrogen purged to prevent internal fogging.
- Quick-Detach Mount – Comes with co-witness height mount and low-profile option for flexible setup.
- Unlimited Eye Relief – Allows rapid target engagement without concern for sight alignment.
Technical Specifications for SIG Sauer ROMEO4S Red Dot Sight – 1 MOA Ballistic Circle Plex
Specification |
Details |
Manufacturer |
SIG Sauer |
Model / MPN |
ROMEO4S / SOR43022 |
SKU |
SOR43022 |
UPC |
798681567874 |
Magnification |
1× |
Objective Lens Diameter |
20 mm |
Reticle |
1 MOA Red Dot with Ballistic Circle Plex |
Brightness Settings |
12 (10 daylight / 2 night vision) |
Battery Type |
CR2032 (side-loading) with solar panel |
Battery Life |
Over 100,000 hours |
Adjustment per Click |
0.5 MOA |
Windage / Elevation Range |
±50 MOA |
Eye Relief |
Unlimited |
Housing Material |
7075-T6 Aluminum with steel shroud |
Waterproof Rating |
IPX-7 (submersible to 1 meter) |
Fogproof |
Yes – nitrogen purged |
Weight |
Approx. 7.6 oz (215 g) |
Mount Type |
Quick Detach – Co-Witness & Low Mounts |
Finish |
Matte Black |
Country of Origin |
USA |
Warranty |
Infinite Guarantee (housing); 5 years (electronics) |
Included Accessories
- SIG Sauer ROMEO4S Red Dot Sight – 1 MOA Ballistic Circle Plex
- Quick-Detach Co-Witness Mount
- Low-Profile Mount
- CR2032 Battery (pre-installed)
- Protective Steel Shroud
- See-through Flip-Up Lens Covers
- User Manual
- Warranty Card
SEO Keywords
SIG Sauer ROMEO4S, SOR43022, 1 MOA red dot, ballistic circle plex reticle, solar powered red dot sight, MOTAC motion sensor optic, SIG quick detach red dot, waterproof red dot optic
Share




