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SIG Sauer ROMEO4T Red Dot Sight - 2 MOA Ballistic Circle Dot - FDE Red Dot Sight SIG Sauer
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SIG Sauer ROMEO4T Red Dot Sight - 2 MOA Ballistic Circle Dot - FDE

€639,95
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Flexible returns

SIG Sauer ROMEO4T Red Dot Sight - 2 MOA Ballistic Circle Dot - FDE

Features

  • 2 MOA Red Dot with 65 MOA Ballistic Circle Reticle – Offers both precision and speed, ideal for tactical and defensive applications.
  • Hybrid Solar and Battery Power – Utilizes ambient light when available, with CR2032 battery backup for extended runtime exceeding 100,000 hours.
  • MOTAC™ (Motion Activated Illumination) – Powers the optic on when motion is detected and off when idle to conserve battery life.
  • 12 Brightness Settings – Includes 10 daylight and 2 night-vision compatible settings for optimal visibility in all lighting conditions.
  • 0.5 MOA Click Adjustments – Provides accurate windage and elevation tuning with ±50 MOA of total adjustment travel.
  • High-Transmission Aspheric Lens – Features SpectraCoat™ anti-reflective coatings for superior clarity and minimal distortion.
  • 7075‑T6 Aluminum Housing with Steel Shroud – Rugged, military-grade construction for extreme durability.
  • Waterproof and Fogproof – IPX‑7 rated and nitrogen purged to ensure reliable performance in harsh environments.
  • Quick-Detach Mount – Includes a bolt-style QD mount with co-witness spacer for flexible mounting options.
  • Unlimited Eye Relief – Allows rapid target engagement regardless of shooting position or platform.

Technical Specifications for SIG Sauer ROMEO4T Red Dot Sight - 2 MOA Ballistic Circle Dot - FDE

Specification

Details

Manufacturer

SIG Sauer

Model / MPN

ROMEO4T / SOR43131

SKU

SOR43131

UPC

798681585939

Magnification

Objective Lens Diameter

20 mm

Reticle

2 MOA Dot with 65 MOA Ballistic Circle

Brightness Settings

12 (10 daylight / 2 night-vision)

Battery Type

CR2032 with solar assist (side-loading)

Battery Life

Up to 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 up to 1 meter)

Fogproof

Yes – nitrogen purged

Weight

Approx. 7.6 oz (215 g)

Mount Type

Bolt-style QD mount with co-witness spacer

Finish

Flat Dark Earth

Country of Origin

USA

Warranty

Infinite Guarantee (housing); 5 years (electronics)

Included Accessories

  • SIG Sauer ROMEO4T 2 MOA Ballistic Circle Dot Sight – FDE
  • Bolt-Style Quick-Detach Mount with Co-Witness Spacer
  • Clear Flip-Up Lens Covers
  • CR2032 Battery (installed)
  • User Manual
  • Warranty Card

SEO Keywords

SIG Sauer ROMEO4T FDE, SOR43131, 2 MOA red dot, ballistic circle dot optic, solar powered red dot, MOTAC sight, waterproof tactical red dot, quick-detach red dot sight

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.

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