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SIG Sauer ROMEO3 Red Dot Sights

SIG Sauer ROMEO3 Red Dot Sights are high-performance, open-reflex optics designed for handguns, rifles, and competition shooting, offering rapid target acquisition, superior clarity, and rugged durability. Ideal for tactical, defensive, and competitive applications, the ROMEO3 provides a large field of view and a crisp reticle for fast and precise aiming.

Key Features:

  • Available in 3 MOA or 6 MOA Red Dot Reticles – Offers fast target acquisition and precise shot placement.
  • Aspheric Lens Technology – Provides edge-to-edge clarity, superior light transmission, and distortion-free images.
  • Motion Activated Illumination (MOTAC™) – Powers on when motion is detected and automatically shuts off when idle to conserve battery life.
  • Aircraft-Grade Aluminum HousingLightweight, shockproof, waterproof, and fog-proof (IPX-7 rated) for maximum durability in extreme environments.
  • Top-Loading CR2032 Battery – Allows for quick and easy battery changes without removing the sight.
  • Co-Witness & Pistol Compatibility – Compatible with optics-ready pistols using the DeltaPoint Pro footprint, as well as AR platforms and shotguns.

The SIG Sauer ROMEO3 is a battle-ready, competition-proven red dot sight, providing unparalleled speed, precision, and durability, making it a top choice for professional shooters, military, law enforcement, and competitive marksmen.

4 products

  • SIG Sauer ROMEO3XL Reflex Red Dot Sight 3 MOA Dot Reticle - SOR31004 Red Dot Sight SIG Sauer SIG Sauer ROMEO3XL Reflex Red Dot Sight 3 MOA Dot Reticle - SOR31004 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO3XL Reflex Red Dot Sight 3 MOA Dot Reticle - SOR31004

    10 in stock

    The SIG Sauer ROMEO3XL Reflex Red Dot Sight is the ideal sighting solution for MSR rifles, shotguns, carbines, submachine guns, and full-size handguns. The ROMEO3XL features a high transmittance red notch reflector for excellent brightness, light transmittance, and zero distortion. 3 MOA red dot with multiple intensity settings ensure rapid target engagement under a full range of lighting conditions. The large 35mm lens offers an unparalleled field of view in an open reflex sight. Features: SIG Sauer ROMEO3XL Reflex Red Dot Sight High transmittance red notch reflector for excellent brightness, light transmittance, and zero distortion 3 MOA dot with multiple intensity settings for rapid target engagement under a full range of lighting conditions MOTAC (motion activated illumination system) powers up when it senses motion and powers down when it does not Side loading CR2032 battery Comes with a low-profile M1913 Picatinny mount Aircraft grade CNC aluminum housing Dependable waterproof (IPX-7) and fog proof performance SPECIFICATIONS Finish: Black Height: 1.4 Inches Length: 2.1 Inches Style: Reflex Weight: 1.5 Ounce Width: 1.3 Inches Battery: CR2032 Magnification: 1 Adjustment Click Value: 1 MOA Warranty: Sig Sauer Electro Optics Infinite Guarantee Reticle: 3 MOA Dot Battery Type: CR2032 Reticle Color: Red Housing Material: Aluminum SKU: SOR31004 UPC: 798681618354

    10 in stock

    £749.99

  • SIG Sauer ROMEO3MAX Reflex Red Dot Sight 3 MOA Dot Reticle - SOR31003 Red Dot Sight SIG Sauer SIG Sauer ROMEO3MAX Reflex Red Dot Sight 3 MOA Dot Reticle - SOR31003 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO3MAX Reflex Red Dot Sight 6 MOA Dot Reticle - SOR32003

    10 in stock

    The SIG Sauer ROMEO3MAX Reflex Red Dot Sight is a compact, open reflex sight featuring a 30mm wide, round lens design for superior field-of-view, a special red-notch filter for vivid red dot and unrivaled optical clarity, with a 6 MOA dot size for rapid target engagement, twelve illumination intensity levels, MOTAC activation, and up to 20,000 hours of runtime. Features: SIG Sauer ROMEO3MAX Reflex Red Dot Sight High transmittance red notch reflector for excellent brightness, light transmittance, and zero distortion 3 MOA and 6 MOA Dot with multiple intensity settings for rapid target engagement under a full range of lighting conditions MOTAC (Motion Activated Illumination System) powers up when it senses motion and powers down when it does not The readily available CR2032 battery is side-loading, allowing for quick battery replacement without having to remove the sight from the firearm Comes with a low-profile M1913 Picatinny mount. An absolute co-witness riser mount is also available as an accessory Aircraft grade CNC Aluminum housing ensures a lifetime of reliable service Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog proof performance SIG SAUER Electro-Optics Infinite Guarantee and SIG SAUER Electronic Component Limited 5-Year Warranty. SPECIFICATIONS Finish: Matte Black Height: 1.4 Inches Length: 2.1 Inches Style: Reflex Weight: 1.5 Ounce Width: 1.3 Inches Battery: CR2032 Magnification: 1x Adjustment Click Value: 1 MOA Warranty: Sig Sauer Electro Optics Infinite Guarantee Reticle: 6 MOA Dot Battery Type: CR2032 Reticle Color: Red Housing Material: Aluminum SKU: SOR32003 UPC: 798681605699

    10 in stock

    £749.99

  • SIG Sauer ROMEO3MAX Reflex Red Dot Sight 3 MOA Dot Reticle - SOR31003 Red Dot Sight SIG Sauer SIG Sauer ROMEO3MAX Reflex Red Dot Sight 3 MOA Dot Reticle - SOR31003 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO3MAX Reflex Red Dot Sight 3 MOA Dot Reticle - SOR31003

    10 in stock

    The SIG Sauer ROMEO3MAX Reflex Red Dot Sight is a compact, open reflex sight featuring a 30mm wide, round lens design for superior field-of-view, a special red-notch filter for vivid red dot and unrivaled optical clarity, with a 3 MOA dot size for rapid target engagement, twelve illumination intensity levels, MOTAC activation, and up to 20,000 hours of runtime. Features: SIG Sauer ROMEO3MAX Reflex Red Dot Sight High transmittance red notch reflector for excellent brightness, light transmittance, and zero distortion 3 MOA Dot with multiple intensity settings for rapid target engagement under a full range of lighting conditions MOTAC (Motion Activated Illumination System) powers up when it senses motion and powers down when it does not The readily available CR2032 battery is side-loading, allowing for quick battery replacement without having to remove the sight from the firearm Comes with a low-profile M1913 Picatinny mount. An absolute co-witness riser mount is also available as an accessory Aircraft grade CNC Aluminum housing ensures a lifetime of reliable service Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog proof performance SIG SAUER Electro-Optics Infinite Guarantee and SIG SAUER Electronic Component Limited 5-Year Warranty. SPECIFICATIONS Finish: Matte Black Height: 1.4 Inches Length: 2.1 Inches Style: Reflex Weight: 1.5 Ounce Width: 1.3 Inches Battery: CR2032 Magnification: 1x Adjustment Click Value: 1 MOA Warranty: Sig Sauer Electro Optics Infinite Guarantee Reticle: 3 MOA Dot Battery Type: CR2032 Reticle Color: Red Housing Material: Aluminum SKU: SOR31003 UPC: 798681597802

    10 in stock

    £749.99

  • SIG Sauer ROMEO3XL Reflex Red Dot Sight 3 MOA Dot Reticle - SOR31004 Red Dot Sight SIG Sauer SIG Sauer ROMEO3XL Reflex Red Dot Sight 3 MOA Dot Reticle - SOR31004 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO3XL Reflex Red Dot Sight 6 MOA Dot Reticle - SOR32004

    10 in stock

    The SIG Sauer ROMEO3XL Reflex Red Dot Sight is the ideal sighting solution for MSR rifles, shotguns, carbines, submachine guns, and full-size handguns. The ROMEO3XL features a high transmittance red notch reflector for excellent brightness, light transmittance, and zero distortion. 6 MOA red dot with multiple intensity settings ensure rapid target engagement under a full range of lighting conditions. The large 35mm lens offers an unparalleled field of view in an open reflex sight. Features: SIG Sauer ROMEO3XL Reflex Red Dot Sight High transmittance red notch reflector for excellent brightness, light transmittance, and zero distortion 6 MOA dot with multiple intensity settings for rapid target engagement under a full range of lighting conditions MOTAC (motion activated illumination system) powers up when it senses motion and powers down when it does not Side loading CR2032 battery Comes with a low-profile M1913 Picatinny mount Aircraft grade CNC aluminum housing Dependable waterproof (IPX-7) and fog proof performance SPECIFICATIONS Finish: Black Height: 1.4 Inches Length: 2.1 Inches Style: Reflex Weight: 1.5 Ounce Width: 1.3 Inches Battery: CR2032 Magnification: 1 Adjustment Click Value: 1 MOA Warranty: Sig Sauer Electro Optics Infinite Guarantee Reticle: 6 MOA Dot Battery Type: CR2032 Reticle Color: Red Housing Material: Aluminum SKU: SOR32004 UPC: 798681618361

    10 in stock

    £749.99

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