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SIG Sauer ROMEO4S Red Dot Sight - 1 MOA Ballistic Circle Plex
£439.99
Reliable shipping
Flexible returns
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
Frequently asked questions
What is the return policy?
Our goal is for every customer to be totally satisfied with their purchase. If this isn’t the case, let us know and we’ll do our best to work with you to make it right. 14 day return if you are not happy. Things must be unopened and in original packaging, unless it is faulty.
Are any purchases final sale?
No, you can cancel at anytime and will receive a full refund. We will always work with you.
When will I get my order?
Shipping & Delivery
- We work quickly to process and ship your order as soon as possible.
- Once your order has shipped, you’ll receive an email with full tracking details.
Delivery Times
- Standard delivery from our USA suppliers: 7–10 working days (usually within a week)
- UK Stock Collection items ship within 24 hours.
Stock & Sourcing
- Due to limited demand, we do not hold inventory in the UK. All products ship direct from our USA suppliers to us then we ship to you so you don’t pay any imports fees.
Insurance & Guarantees
- Orders over £300: Free Royal Mail Special Delivery (Guaranteed Next Day, Fully Insured)
- Orders under £300: Royal Mail Tracked service for £3.99
Where are your products manufactured?
Our products are manufactured both in USA and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.
How much does shipping cost?
Shipping & Insurance
Orders over £300 ship free via Royal Mail Special Delivery, guaranteed next day and fully insured.
Orders under £300 ship via Royal Mail Tracked for a flat fee of £3.99.
Our signature product.
Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.