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Questions & Answers
1/3 lower co witness? Expert Answer

This will not have a co witness factor as it is a magnified item and those are not co witness

by Brandon B, Gear Expert, August 18, 2021
Is this the one with multiple reticles? dot,circle- dot. holdovers? Expert Answer

All the Romeo 4 models – 4H, 4S, and 4T models have 4 selectable, integrated reticle options – dot, circle-dot, dot with holdovers and circle-dot with holdovers.

Mark H.

by Mark H., Gear Expert, December 15, 2017
Customer Reviews
Helpful Positive Review
Circle plex by Jhack, Verified Owner, February 28, 2021
I was worried the circle plex would be to much clutter in the sight picture but I’m really digging it. Helps to acquire target quickly and it looks really good paired with the Juliet 3. The reticle is super crisp and can be adjusted to suit your need...
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7/7 found this helpful
Helpful Positive Review
It really good for the price. by DUkas, Verified Owner, March 26, 2022
I have this on my GPR (General Purpose Rifle) which serves as my home defense and "duty" rifle. The glass is nice and clear and the dot is nice and crisp. The main reason I picked this up instead of an Eotech is the price, the battery life, and I fee...
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3/3 found this helpful
Helpful Positive Review
Rebuttal on Cole Millers Review by Brian, July 4, 2021
Cole I own 4 of the exact model you reviewed and never have I experienced that Issue. You do know you can adjust the brightness on that unit. When its at its Brightest setting you get some flare, just adjust it down a bit and the flare goes away. ...
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14/15 found this helpful
Helpful Positive Review
My favorite new site. ROMEO4S by Ray, January 17, 2020
What a great site. Love the look and the hardware. This is a awesome red dot. For the price you can’t beat it. Best 333.00 I ever spent. Great right out of the box. Quick mount is super awesome. Feels rugged and secure.
2/2 found this helpful
Helpful Positive Review
Both eyes wide open by Brad, March 14, 2020
This is second red dot, and my second Sig optic. I put this on a CMMG Banshee, and once I got it settled on the rail, it was incredibly easy to pick up with both eyes open. One thing I noticed was the challenge to adjust the point of aim. After ma...
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4/4 found this helpful
Helpful Positive Review
Romeo4S mounted on a 50AE DEagle. by James C, February 19, 2022
Used an ADM QD lo-mount to put this optic on a MarkXIX stainless/ported 50AE Desert Eagle. This optic has been on the 50AE for over four years, and been subjected to thousands of rounds of abuse. It's still going strong. I purchased this optic becaus...
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2/2 found this helpful
Read All 20 Reviews
Color: Graphite Finish: Matte Fabric/Material: CNC Aluminum Magnification: 1 xObjective Lens Diameter: 20 mmReticle: Circle-Dot Illumination Type: LED Illumination Color: Red Brightness Settings: 10 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 0.5 MOALens Material: Glass Optical Coating: HDX Battery Type: CR2032 Battery Quantity: 1 Battery Life: 50000 hoursOperating Temperature: -40 - 140 FahrenheitWeather Resistance: Yes Water Resistance Level: IPX-7 Water Resistant Mark: 400 mShockproof: Yes Fogproof: Yes Length: 3.33 inWidth: 1.86 inHeight: 2.46 inWeight: 7.6 ozIncluded Accessories: Clear Flip-Open Lens Cover Condition: Factory DEMO Magnification Type: Fixed Attachment Type: Quick Detach , Torx Mount Mount Type: Torx Mount W/E Travel at 100 Yds: 100 MOA

Code: SD9-RD-SSR4SRD-SOR43021-DEMO

MPN: SOR43021-DEMO

Product No Longer Available

Product Info for SIG SAUER Romeo4S Solar 1x20mm Compact Red Dot Sight w/Mount

Harness the bright beams of the sun to power this Sig Sauer Romeo4S Solar 1x20mm Compact Red Dot Sight w/Mount that will provide crisp, clear views while enhancing your accuracy during short- to medium-range engagements. With the combination of solar power and batteries, these Red Dot Sights from the experts at SIG SAUER can provide a runtime of over 100,000 hours, ensuring you never lose sight of a target in stressful situations. This Sig Sauer Romeo4S 1x20 LED Illuminated Red Dot Sight is housed in a durable and lightweight aircraft-grade aluminum chassis and offers complete IPX-7 rated waterproof and fogproof protection to deliver maximum performance in any outdoor conditions. You can also customize your shooting experience with 4 different reticle options, and the MOTAC technology turns off your device when not in sue to conserve energy. Amplify your accuracy and overall sighting potential in a wide variety of lighting backgrounds when using the Sig Sauer Romeo4S 1x20 Solar Powered Red Dot Sight.image

Features of SIG SAUER Romeo4S Solar 1x20mm Compact Red Dot Sight w/Mount:

  • Designed for modern semi-automatic pistols, MSR platforms and shotguns
  • Short and medium range engagements and recreational shooting across a wide range of calibers and light conditions
  • Extremely strong and light CNC aluminum housing
  • Runtime in excess of 100,000 hours with solar and battery usage
  • Comes standard with see-through lens covers and quick-release mount
  • Ballistic Circle-Dot and Ballistic Circle QuadPex reticle options
  • Users can select from 4 different integrated reticle options (Dot, Circle-Dot, Dot with Holds, Circle-Dot with Holds)
  • Unlimited eye relief to acquire aiming point and target, regardless of eye position behind sight.
  • MOTAC (Motion Activated Illumination) powers up or down when sensing motion
  • Uses an ultra-efficient red LED illumination for daylight visibility and extended runtime
  • True co-witness QR mount and low mount included
  • Strong, lightweight aircraft-grade CNC aluminum housing
  • Waterproof, IPX-7 rated, and fog-proof

Package Contents:

  • SIG SAUER Romeo4S Solar 1x20mm Compact Red Dot Sight w/Mount

Red Dot Accessories

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Red Dot Sight Magnifier

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Red Dot Sight Mounts

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Related Products to SIG SAUER Romeo4S Solar 1x20mm Compact Red Dot Sight w/Mount

SIG SAUER Romeo4S Solar 1x20mm Compact Red Dot Sight w/Mount Unavailable & Discontinued Models

List of Unorderable Models

  • Demo, SIG SAUER Romeo4S Solar RDS, Ballistic Circle Dot Reticle, .5 MOA, Solor/Side Mount Battery, Torx And QR Mounts, SOR43021 , MPN: SOR43021-DEMO , Code: SD9-RD-SSR4SRD-SOR43021-DEMO
  • Demo, SIG SAUER Romeo4S Solar RDS, Ballistic Circle Plex Reticle, .5 MOA, Solor/Side Mount Battery, Torx And QR Mounts, SOR43022 , MPN: SOR43022-DEMO , Code: SD9-RD-SSR4SRD-SOR43022-DEMO
  • SIG SAUER Romeo4S Solar RDS, Ballistic Circle Dot Reticle, .5 MOA, Solor/Side Mount Battery, Torx And QR Mounts, SOR43021 , MPN: SOR43021 , UPC: 798681567867 , Code: SD9-RD-SSR4SRD-SOR43021
  • SIG SAUER Romeo4S Solar RDS, Ballistic Circle Plex Reticle, 1x20 mm, .5 MOA, Solor/Side Mount Battery, Torx And QR Mounts, SOR43022 , MPN: SOR43022 , UPC: 798681567874 , Code: SD9-RD-SSR4SRD-SOR43022
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