SIG Romeo5 Red Dot Sight

SKU: SOR52001

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Sig Sauer ROMEO5 Red Dot Sight

The ROMEO5 red dot sight is a fully-featured entry level red dot sight from Sig Sauer. Proven with many years under its belt, this site is used by hobbyists and professionals alike for its simplicity and reliability. Using Sig’s Motac™ technology to automatically turn on whenever you need it, and 50,000 hours of battery life at the lowest daylight setting, you can count on the ROMEO5.

This red dot has a crisp, simple 2 MOA reticle that can be zeroed to any distance, plus a riser mount for cowitness with AR pattern iron sights. Enhance this sight’s usable distance by pairing it with a magnifier, or keep it as-is for a lightweight and incredible reliable sighting solution on your AR-15. The ROMEO5 has an Aimpoint T1/T2 style mount pattern for direct mount applications as well.


  • Motac™: Activated through motion sensing technology, MOTAC immediately powers up illumination when it senses motion and powers down when it does not in order to extend battery life.
  • 2 MOA Red-Dot provides 10 illumination settings (8 daylight plus 2 NV) for visibility in all light conditions
  • Integrated 1913 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 1913 Picatinny low mount riser and a co-witness 1.41” riser mount


  • Magnification: 1x
  • Objective Lens: 20mm
  • Adjustment Increments: 1.0 MOA
  • Total Windage Travel: 100 MOA
  • Total Elevation Travel: 100 MOA
  • Dimensions: 62.7mm x 38.1mm x 38.6mm
  • Weight: 5.1 oz.
  • Reticle: 2 MOA Dot
  • Reticle Color: Red
  • Center Dot Size: 2 MOA
  • Waterproof Rating: IPX7
  • Battery: CR2032
  • Run Time: 50,000 Hours
  • Illumination Settings: 8 Daytime, 2 Night Vision
  • Mount Pattern: Aimpoint T1/T2 Type

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Sig Sauer Warranty

Can I return the product that I received?

Eligible product may be returned in original packaging for a credit or refund of the purchase price within 14 days of purchase or shipment of Product to Buyer, whichever is later, less shipping and handling. In order to return a product purchased over the internet, or via the phone or facsimile, the Buyer must call Customer Service at 603-610-3000, option 1 during business hours (Monday through Friday 8:30 am to 5:00 pm), and request a Return Authorization Number (RMA). An RMA is required to return the Product. Customers who exchange products that are found to be defective will receive a credit for original shipping charges.

You may exchange the product or receive a refund in the original form of payment. Merchandise must be returned in original packaging and in new sellable condition.

Please allow up to 10 days after the return is received and inspected for the refund to be processed.

Electro Optics – New, unopened optics that still have the holographic seal can be returned for a refund/exchange with 14 days of purchase or shipment of Product to Buyer, whichever is later, less shipping and handling.

Products that cannot be returned at any time include, but are not limited to: firearms, ammunition, ammunition components, airguns, CO2, clothing that has been washed or shows signs of wear, opened consumable items and cleaning kits, opened DVD, CD or other copyrighted software or material, items that have been damaged, used, are missing packaging or accessories, or are otherwise not in new sellable condition. Seller reserves the right to refuse any return or exchange.

If you return a Product that qualified you for a discount, promotional item, or promotional card and either (i) do not also return the discounted or promotional item or (ii) have already redeemed the promotional card, Seller may deduct the value of the discount, promotional item or redeemed card from any refund you receive for the return of the Product.

Please call SIG SAUER Customer service at 603-610-3000, option 1 to receive a Return Material Authorization number. Our Customer Service hours of operation are:

Monday – Friday: 8:30 AM-5:00 PM Eastern time

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.