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SIG Sauer ROMEO5 Red Dot Sights

SIG Sauer ROMEO5 Red Dot Sights are compact, durable, and high-performance optics designed for tactical, hunting, and self-defense applications. Featuring ultra-fast target acquisition, long battery life, and rugged construction, the ROMEO5 is an ideal red dot sight for AR platforms, shotguns, and PCCs (Pistol Caliber Carbines).

Key Features:

  • 2 MOA Red Dot Reticle – Provides crisp, precise aiming with 10 brightness settings (8 daylight & 2 NV-compatible) for versatility in all lighting conditions.
  • Motion Activated Illumination (MOTAC™) – Extends battery life by automatically powering on when motion is detected and off when idle.
  • Ultra-Long Battery Life – Runs for up to 40,000+ hours on a single CR2032 battery.
  • Parallax-Free & Unlimited Eye Relief – Allows for quick target acquisition and improved situational awareness.
  • Rugged Waterproof & Fog-Proof DesignIPX-7 rated, ensuring functionality in harsh weather and submersion up to 1 meter.
  • Multiple Mounting Options – Comes with both a low-profile and co-witness riser mount, offering flexibility for different firearm setups.

The SIG Sauer ROMEO5 is an affordable, battle-ready red dot sight, making it a top choice for tactical operators, home defenders, and recreational shooters looking for reliable, high-performance optics.

9 products

  • SIG Sauer ROMEO5 Red Dot Sight - SOR52001 Red Dot Sight SIG Sauer SIG Sauer ROMEO5 Red Dot Sight - SOR52001 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO5 Red Dot Sight - SOR52001

    2 reviews

    Out of stock

    SIG Sauer ROMEO5 Red Dot Sight - Sig is proud to provide our men and women in the armed forces with a light-weight, enclosed red-dot sight that is as tough as it is micro. The ROMEO5 features Sig's MOTAC (Motion Activated Illumination) which increases battery life by shutting down the system when not in use and instantly activates the system when it senses the slightest vibration or movement. Your sight will be up when you go into action. The ROMEO5 will mount on any platform and the solid aluminum design will give peak performance and years of service. Military units trust the ROMEO5 when it counts, so why wouldn’t you? Features: SIG Sauer ROMEO5 Red Dot Sight The ROMEO5 combines a leading edge optical design with an extremely robust, lightweight aluminum housing for years of worry-free service at a competitive price point The 2 MOA Red-Dot provides 10 illumination settings (8 daylight plus 2 NV) for visibility in all light conditions Features Sig's MOTAC (Motion Activated Illumination) powers up when it senses motion and powers down when it does not. Provides for optimum operational safety and enhanced 40,000+ hour battery life The readily available CR2032 battery is side-loading, allowing for quick battery replacement without having to remove the sight from the firearm An integrated M1913 Picatinny interface provides industry-standard mounting options for a wide range of applications Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog-proof performance Includes a mount SPECIFICATIONS: Finish: Black Length: 2.47 Inches Style: Tube Weight: 5.1 Ounce Battery: CR2032 Magnification: 1x Adjustment Click Value: 1/2 MOA Warranty: Sig Sauer Electro Optics Infinite Guarantee Reticle: 2 MOA Battery Type: CR2032 Batteries Included: Yes Reticle Color: Red Battery Life: 40,000+ Hours Housing Material: Aluminum SKU: SOR52001 UPC: 798681553396

    Out of stock

    £220.00

  • SIG Sauer ROMEO5 Gen II 1x20mm Red Dot Sight - SOR5101 Red Dot Sight SIG Sauer SIG Sauer ROMEO5 Gen II 1x20mm Red Dot Sight - SOR5101 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO5 Gen II 1x20mm Red Dot Sight - SOR5101

    7 in stock

    Refreshed with a bold new look, the next generation of SIG SAUER ELECTRO-OPTICS best-selling ROMEO5 series has arrived. The ROMEO5 GEN II provides a durable 1x aiming solution for civilians and armed professionals alike, with a crisp 2 MOA Red dot emitter powered by a CR2032 battery that can be quickly replaced. Couple with SIG SAUER'S motion-activated MOTAC™ technology, the ROMEO5 GEN II boasts a 40,000 hour runtime under standard usage.Featuring top mount ambidextrous controls that offer 10 daylight and 2 night vision settings, finding the optimal setting for your environment is quick and intuitive. Capable of withstanding some of the harshest conditions, the ROMEO5 GEN II's IPX7 rating keeps your optic waterproof and fog-proof while the interchangeable I-BEAM Mount maximizes situational awareness.Upgrade your shooting experience with the proven performance of SIG SAUER'S ROMEO5 GEN II optic.  FEATURES: SIG Sauer ROMEO5 Gen II 1x20mm Red Dot Sight Ruggedized Industrial Design I-BEAM Mount for maximizing situational awareness 12 Settings (10 Day + 2 NV) 40,000 hrs Runtime with CR2032 Battery and MOTAC™ Motion Activated Top Mount Illumination Controls for Ambidextrous Operation Dependable IPX7 Waterproof and Fog-Proof Performance Parallax-Free Optical Design SPECIFICATIONS: Color: Black Waterproofing: IPX-7 Height: 61.5 mm Magnification: 1x Clear Aperture: 20 mm Overall Length: 69.7 mm Overall Width: 39.6 mm Battery: (1) CR2032 Weight: 5.5 oz Reticle: Red 2 MOA Dot Illumination Settings: 12 (10 DT + 2 NV) Total Elevation Travel: 100 MOA Run Time: 40000 hrs UPC: 798681694600 MPN: SOR5101

    7 in stock

    £229.99

  • SIG Sauer ROMEO5 Gen II Red Dot Sight w/ JULIET3-MICRO Magnifier Combo Kit - SORJ5101 Red Dot Sight SIG Sauer SIG Sauer ROMEO5 Gen II Red Dot Sight w/ JULIET3-MICRO Magnifier Combo Kit - SORJ5101 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO5 Red Dot Sight Gen II with JULIET3-MICRO Magnifier Combo Kit - SORJ5101

    6 in stock

    SIG Sauer ROMEO5 Red Dot Sight Gen II - Combining power and precision, the all new ROMEO5 GEN II and JULIET3 Micro package has arrived. Refreshed with a bold new look, the ROMEO5 GEN II optic provides a durable 1x aiming solution for civilians and armed professionals alike, with a crisp 2 MOA red dot emitter powered by a CR2032 battery that can be quickly replaced. Couple with SIG SAUER'S motion-activated MOTAC™ technology, the ROMEO5 GEN II boasts a 40,000 hour runtime under standard usage. Featuring top mount ambidextrous controls that offer 10 daylight and 2 night vision settings, finding the optimal setting for your environment is quick and intuitive. Combined with the proven JULIET3 Micro 3x Magnifier and included 90° flip-to-side magnifier mount, shooters can maintain a streamlined optic pairing while quickly transitioning between close and mid-range engagements. Engineered for discerning shooters seeking uncompromising quality, durability, and adaptability in their optics, the ROMEO5 GEN II was designed to exceed expectations. ROMEO5 GEN II FEATURES: Ruggedized Industrial Design I-BEAM Mount for maximizing situational awareness 12 Settings (10 Day + 2 NV) 40,000 hrs Runtime with CR2032 Battery and MOTAC™ Motion Activation Parallax-Free Optical Design Top Mount Illumination Controls for Ambidextrous Operation Dependable IPX7 Waterproof and Fog-Proof Performance JULIET3 MICRO FEATURES: Aircraft grade CNC aluminum housing ensures a lifetime of reliable service. Dependable IPX7 waterproof and fog-proof performance 90° Push-Button Flip-to-Side Magnifier Mount Dialectic coated prism Ultra-compact Size and Weight Objective thread-in lens cover and ocular slip-on, flip-back lens cover inlcuded Backed by an Infinite Guarantee™ SKU: SORJ5101 UPC: 798681699407

    6 in stock

    £449.99

  • SIG Sauer ROMEO5 GEN II ELITE Red Dot Sight 1x20mm 1.41” Absolute Co-Witness Mount - SOR5105 Red Dot Sight SIG Sauer SIG Sauer ROMEO5 GEN II ELITE Red Dot Sight 1x20mm 1.41” Absolute Co-Witness Mount - SOR5105 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO5 GEN II ELITE Red Dot Sight 1x20mm 1.41” Absolute Co-Witness Mount - SOR5105

    Out of stock

    Widening the spectrum of offerings within the dominant ROMEO5 lineup, the ROMEO5 GEN II ELITE is a purpose-built red dot optic bursting with features and functions. With a streamlined redesign to the housing and controls, the ROMEO5 GEN II ELITE improves the user interface with recessed windage and elevation dials while maintaining the quickest access to zero adjustments. When compared to the original ROMEO5 ELITE, the ROMEO5 GEN II ELITE features two additional daytime brightness settings while maintaining two dedicated NV settings to allow for more articulate reticle tuning in all environments. SIG’s new Quad Ballistic Circle Dot 2.0 Reticle provides a 1MOA center dot for surgical shot placement on high focus targets, with 0.7 MOA holdover dots to increase first and second round extended range impacts. Transitioning to a redesigned I-Beam mount for increased visibility that provides greater situational awareness, the ROMEO5 GEN II ELITE is available in either a 1.41” Absolute Co-Witness Mount to leverage back up iron sights. FEATURES: SIG Sauer ROMEO5 GEN II ELITE Red Dot Sight Ruggedized Industrial Design Updated High Performance Mangin Lens For Unrivaled Clarity Parallax-Free Optical Design Quad Ballistic Circle Dot 2.0 Standard I-BEAM Mount to Maximize Situational Awareness 12 Settings (10 Day + 2 NV) 40,000 hrs Runtime with CR2032 Battery and MOTAC™ Top Mount Illumination Controls Dependable IPx7 Waterproof and Fog-Proof Performance SPECIFICATIONS Color: Black Waterproofing: IPX-7 Height: 2.8 in [70.7 mm] Magnification: 1x Clear Aperture: 20 mm Overall Length: 2.7 in [69.7 mm] Overall Width: 1.6 in [39.6 mm] Battery: (1) CR2032 Reticle: Quad Ballistic Circle Dot 2.0 Reticle Color: Red Weight: 5.5 oz w/o BATTERY Illumination Settings: 12 (10 DT + 2 NV) Run Time: 40000 hrs Sight Height: 1.41” Absolute Co-Witness MPN: SOR5105 UPC: 798681696994

    Out of stock

    £299.99

  • SIG Sauer ROMEO5 GEN II ELITE Red Dot Sight 1x20mm 1.93” Tall Mount - SOR5193 Red Dot Sight SIG Sauer SIG Sauer ROMEO5 GEN II ELITE Red Dot Sight 1x20mm 1.93” Tall Mount - SOR5193 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO5 GEN II ELITE Red Dot Sight 1x20mm 1.93” Tall Mount - SOR5193

    Out of stock

    Widening the spectrum of offerings within the dominant ROMEO5 lineup, the ROMEO5 GEN II ELITE is a purpose-built red dot optic bursting with features and functions. With a streamlined redesign to the housing and controls, the ROMEO5 GEN II ELITE improves the user interface with recessed windage and elevation dials while maintaining the quickest access to zero adjustments. When compared to the original ROMEO5 ELITE, the ROMEO5 GEN II ELITE features two additional daytime brightness settings while maintaining two dedicated NV settings to allow for more articulate reticle tuning in all environments. SIG’s new Quad Ballistic Circle Dot 2.0 Reticle provides a 1MOA center dot for surgical shot placement on high focus targets, with 0.7 MOA holdover dots to increase first and second round extended range impacts. Transitioning to a redesigned I-Beam mount for increased visibility that provides greater situational awareness, the ROMEO5 GEN II ELITE is available in either a 1.41” Absolute Co-Witness Mount to leverage back up iron sights, or a 1.93” Tall Mount height that allows for heads-up posture to improve dynamic movement. FEATURES: Ruggedized Industrial Design Updated High Performance Mangin Lens For Unrivaled Clarity Parallax-Free Optical Design Quad Ballistic Circle Dot 2.0 1.93” I-BEAM Mount for Heads-Up Orientation 12 Settings (10 Day + 2 NV) 40,000 hrs Runtime with CR2032 Battery and MOTAC™ Top Mount Illumination Controls Dependable IPx7 Waterproof and Fog-Proof Performance SPECIFICATIONS Color: Black Waterproofing: IPX-7 Height: 2.8 in [70.7 mm] Magnification: 1x Clear Aperture: 20 mm Overall Length: 2.7 in [69.7 mm] Overall Width: 1.6 in [39.6 mm] Battery: (1) CR2032 Reticle: Quad Ballistic Circle Dot 2.0 Reticle Color: Red Weight: 5.5 oz w/o BATTERY Illumination Settings: 12 (10 DT + 2 NV) Run Time: 40000 hrs Sight Height: 1.93" Absolute Co-Witness MPN: SOR5193 UPC: 798681700073

    Out of stock

    £299.99

  • SIG Sauer ROMEO5XDR Gen II 1x20mm Red Dot Sight JULIET5-MICRO Micro Magnifier - SORJ5X201 Red Dot Sight SIG Sauer SIG Sauer ROMEO5XDR Gen II 1x20mm Red Dot Sight JULIET5-MICRO Micro Magnifier - SORJ5X201 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO5XDR Gen II 1x20mm Red Dot Sight JULIET5-MICRO Micro Magnifier - SORJ5X201

    Out of stock

    ROMEO5XDR GEN II FEATURES: 2 MOA Red-Dot provides 10 illumination settings (8 daylight plus 2 NV) for visibility in all light conditions MOTAC™ (Motion Activated Illumination) powers up when it senses motion and powers down when it does not. Provides for optimum operational safety and enhanced 40,000+ hour battery life Integrated M1913 Picatinny interface provides industry-standard mounting options for a wide range of applications Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog-proof performance Includes a M1913 Picatinny low mount riser and a co-witness 1.41” riser mount JULIET5-MICRO FEATURES: Aircraft grade CNC aluminum housing ensures a lifetime of reliable service. IPX-8 rated for waterproofing -- up to 20 meters for 1 hour Dialectic coated prism Compact size and weight Backed by an Infinite Guarantee™ SPECIFICATIONS UPC: 798681684458 MPN: SORJ5X201

    Out of stock

    £599.99

  • SIG Sauer ROMEO5 XDR Gen II 1x20mm Red Dot Sight Dual Reticle - SOR5X201 Red Dot Sight SIG Sauer SIG Sauer ROMEO5 XDR Gen II 1x20mm Red Dot Sight Dual Reticle - SOR5X201 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO5 XDR Gen II 1x20mm Red Dot Sight Dual Reticle - SOR5X201

    12 in stock

    Refreshed with a rugged new look, the next generation of SIG SAUER ELECTRO-OPTICS best-selling ROMEO5 series has arrived. The ROMEO5XDR GEN II provides a durable 1x20 aiming solution for civilians and armed professionals with a custom LED emitter that combines a crisp 2 MOA red dot with a user-selectable 65 MOA circle for maximum versatility. Powered by a common AAA battery and SIG SAUER’S motion activated MOTAC™ technology, the ROMEO5XDR GEN II boasts an industry-leading 50,000-hour runtime under standard use. Featuring top-mount ambidextrous controls that provide 10 daylight and 2 night vision settings, tailoring the optimal brightness for your environment is quick and intuitive. Capable of withstanding some of the harshest conditions, the ROMEO5XDR GEN II’s IPX7 rating keeps your optic waterproof and fog-proof while the integral half- inch hex mount ensures a rock-solid zero even under hard use. FEATURES: SIG Sauer ROMEO5 XDR Gen II 1x20mm Red Dot Sight Strong and lightweight CNC aluminum housing Dual reticle: 2 MOA Dot or Circle Dot 10 daylight and 2 NV settings for all conditions Top mount, ambi-controls Features MOTAC™ - Motion Activated Illumination 50,000 hr runtime provided by common AAA battery Simple and durable half-inch hex mount Dependable IPX7 waterproof and fog-proof peformance SPECIFICATIONS Color: Black Height: 2.9 in [73 mm] Magnification: 1x Clear Aperture: 20 mm Overall Length: 4.2 in [107 mm] Overall Width: 2.4 in [61 mm] Battery: (1) AAA Reticle: 2 MOA Red Dot Ballistic Circle Dot Reticle Color: Red Weight: 6.4 oz [181 g] Illumination Settings: 12 (10 DT + 2 NV) Total Elevation Travel: 100 MOA Total Windage Travel: 100 MOA Run Time: 50000 UPC: 798681684274 MPN: SOR5X201

    12 in stock

    £299.99

  • SIG Sauer ROMEO5 Gen II 1x20mm Green Dot Sight - SOR5102 Green Dot Sight SIG Sauer SIG Sauer ROMEO5 Gen II 1x20mm Green Dot Sight - SOR5102 Green Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO5 Gen II 1x20mm Green Dot Sight - SOR5102

    Out of stock

    Refreshed with a bold new look, the next generation of SIG SAUER ELECTRO-OPTICS best-selling ROMEO5 series has arrived. The ROMEO5 GEN II provides a durable 1x aiming solution for civilians and armed professionals alike, with a crisp 2 MOA green dot emitter powered by a CR2032 battery that can be quickly replaced. Couple with SIG SAUER'S motion-activated MOTAC™ technology, the ROMEO5 GEN II boasts a 40,000 hour runtime under standard usage.Featuring top mount ambidextrous controls that offer 10 daylight and 2 night vision settings, finding the optimal setting for your environment is quick and intuitive. Capable of withstanding some of the harshest conditions, the ROMEO5 GEN II's IPX7 rating keeps your optic waterproof and fog-proof while the interchangeable I-BEAM Mount maximizes situational awareness.Upgrade your shooting experience with the proven performance of SIG SAUER'S ROMEO5 GEN II optic.  FEATURES: Ruggedized Industrial Design I-BEAM Mount for maximizing situational awareness 12 Settings (10 Day + 2 NV) 40,000 hrs Runtime with CR2032 Battery and MOTAC™ Motion Activated Top Mount Illumination Controls for Ambidextrous Operation Dependable IPX7 Waterproof and Fog-Proof Performance Parallax-Free Optical Design SPECIFICATIONS Color: Black Waterproofing: IPX-7 Height: 61.5 mm Magnification: 1x Clear Aperture: 20 mm Overall Length: 69.7 mm Overall Width: 39.6 mm Battery: (1) CR2032 Weight: 5.5 oz Reticle: Green 2 MOA Dot Illumination Settings: 12 (10 DT + 2 NV) Total Elevation Travel: 100 MOA Run Time: 40000 hrs UPC: 798681694617 MPN: SOR5102

    Out of stock

    £229.99

  • SIG Sauer ROMEO5 Red Dot Sight and JULIET3 Combo - SORJ53101 Red Dot Sight SIG Sauer

    SIG Sauer SIG Sauer ROMEO5 Red Dot Sight and JULIET3 Combo - SORJ53101

    Out of stock

    SIG Sauer ROMEO5 Red Dot Sight and JULIET3 Combo - ROMEO5 compact red dot sights provide civilians and armed professionals a robust 1x aiming solution for any situation. Ultra-low parallax so point-of-aim is point-of-impact and the red dot remains parallel to the bore of your firearm, no matter what your viewing angle is relative to the optical axis of the sight. Unlimited eye-relief allows you to acquire the aiming point and the target regardless of the position of your eye behind the sight. The readily available CR2032 battery is side-loading, allowing for quick battery replacement (featuring 40,000+ hours or more of life). Dependable waterproof (IPX-7 rated for complete water immersion up to 1 atmosphere) and fog-proof performance. The JULIET3 3x Magnifier is designed to work as a stand-alone magnification solution or in conjunction with reflex optics. This family of magnifiers is an excellent choice for transitioning from close quarters to intermediate ranged targets. In conjunction with a reflex optic, the JULIET3 can be adjusted for height through the use of spacers. It has a PowerCam 90° Mount so it can be quickly flipped to the side for more immediate, close-quarters scenarios or deployed rapidly to bring targets three times closer. Its quick-release mount comes with built-in recoil lugs for repeatable zero. The JULIET3 has a front and rear thread-in lens protector to keep it secure from the elements. FEATURES: SIG Sauer ROMEO5 Red Dot Sight and JULIET3 Combo 2 MOA Red-Dot provides 10 illumination settings (8 daylight plus 2 NV) for visibility in all light conditions MOTAC (Motion Activated Illumination) powers up when it senses motion and powers down when it does not. Provides for optimum operational safety and enhanced 40,000+ hour battery life Integrated M1913 Picatinny interface provides industry-standard mounting options for a wide range of applications Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog-proof performance Includes a M1913 Picatinny low mount riser and a co-witness 1.41” riser mount JULIET3 Features: Aircraft grade CNC aluminum housing ensures a lifetime of reliable service. IPX-8 rated for waterproofing -- up to 20 meters for 1 hour Dialectic coated prism Compact size and weight Backed by an Infinite Guarantee SPECIFICATIONS Magnification Range: 1x (3x with Magnifier) Reticle Details: 4 MOA Objective Lens Diameter: 20mm Dimensions: 6.7" Weight:18.1 oz. Battery: (1) CR2032 Battery Battery Type: CR2032 Night Vision Compatible: Yes Brightness Settings: 8 Daylight - 2 NVD Product Type: Reflex Sight/Red Dot Item Condition: New UPC: 798681582693 SKU: SORJ53101

    Out of stock

    £499.99

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