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SIG Sauer

SIG Sauer ROMEO4S Red Dot Sight - 1 MOA Ballistic Circle Plex

SIG Sauer ROMEO4S Red Dot Sight - 1 MOA Ballistic Circle Plex

Regular price $329.99 USD
Regular price Sale price $329.99 USD
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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

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

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