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SIG Sauer ROMEO4S Red Dot Sight - 2 MOA Ballistic Circle Dot Red Dot Sight SIG Sauer
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SIG Sauer ROMEO4S Red Dot Sight - 2 MOA Ballistic Circle Dot

$330.00
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SIG Sauer ROMEO4S Red Dot Sight - 2 MOA Ballistic Circle Dot

Features

  • 2 MOA Dot with 65 MOA Ballistic Circle Reticle – Combines a precise central aiming point with a surrounding circle for quick target acquisition and holdovers.
  • Hybrid Solar and CR2032 Battery System – Automatically draws power from ambient light and seamlessly switches to battery in low-light conditions, offering up to 100,000+ hours of runtime.
  • MOTAC™ (Motion Activated Illumination) – Extends battery life by powering up on motion and shutting down when idle.
  • 12 Brightness Settings – Includes 10 daylight levels and 2 night-vision compatible settings for versatile use in all environments.
  • Precision Adjustments – 0.5 MOA click adjustments with ±50 MOA of total windage and elevation travel.
  • SpectraCoat™ Lens Coating – Anti-reflective coatings ensure maximum light transmission and clarity with minimal distortion.
  • Rugged Design – CNC-machined 7075-T6 aluminum housing with integrated steel shroud provides exceptional durability.
  • Waterproof and Fogproof – IPX‑7 rated for submersion up to 1 meter and nitrogen purged for fog resistance.
  • Quick-Detach Mount System – Includes both co-witness and low-profile mounting options.
  • Unlimited Eye Relief – Enables fast and flexible target acquisition across platforms.

Technical Specifications for SIG Sauer ROMEO4S Red Dot Sight - 2 MOA Ballistic Circle Dot

Specification

Details

Manufacturer

SIG Sauer

Model / MPN

ROMEO4S / SOR43021

SKU

SOR43021

UPC

798681567867

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 to 1 meter)

Fogproof

Yes – nitrogen purged

Weight

Approx. 7.6 oz (215 g)

Mount Type

Quick-detach co-witness and low mounts

Finish

Graphite / Matte Black

Country of Origin

USA

Warranty

Infinite Guarantee (housing); 5 years (electronics)

Included Accessories

  • SIG Sauer ROMEO4S 2 MOA Ballistic Circle Dot Sight
  • Quick-Detach Mount with Co-Witness and Low Spacer
  • CR2032 Battery (pre-installed)
  • Clear Flip-Up Lens Covers
  • User Manual
  • Warranty Card

SEO Keywords

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