Sig Sauer ROMEO-MSR Gen II Red Dot

Out of Stock
We'll special order for you! Allow 3-5 days to Ship
Backed by the Sig Sauer Warranty!
TOP ADD-ON'S
Sig Sauer JULIET3 Micro 3X Magnifier

Sig Sauer JULIET3 Micro 3X Magnifier - Black

$219.99
NCSTAR .223 Remington Laser Bore Sight - AT3 Tactical

NCSTAR .223 Remington Laser Bore Sight

$18.99

Capable and Affordable Rifle Red Dot

The Sig Sauer ROMEO-MSR Gen II Red Dot is a high-performance, compact optic designed for AR-platform rifles, pistols, pistol-caliber carbines, and shotguns. With upgraded features from the first generation, enhanced durability, and exceptional battery life, this red dot sight provides fast target acquisition, precision aiming, and dependable performance in any environment. Whether you’re in a tactical scenario, on the range, or in the field, the ROMEO-MSR Gen II is built to perform.

Features

  • Crisp 2 MOA Red Dot Reticle – Provides fast target acquisition and pinpoint accuracy, perfect for close to mid-range engagements.
  • Upgraded Lens Coatings – Enhanced anti-reflective LenShield and LensArmor coatings maximize light transmission, ensuring a clear, distortion-free sight picture in all lighting conditions.
  • 12 Brightness Settings – Features 10 daylight settings and 2 night vision-compatible settings for seamless operation in any environment.
  • Ultra-Durable Aluminum Housing – Constructed from high-strength aluminum, making it shockproof, waterproof (IPX7-rated), and fogproof for extreme reliability.
  • Long Battery Life – Provides extended runtime up to 20,000+ hours on a single CR2032 battery by using MOTAC, which automatically turns on with motion and powers down when idle, preserving battery life without sacrificing readiness.
  • Flip-Up Lens Covers Included – Protects the lenses when not in use, ensuring clear optics in any condition.
  • Compact and Lightweight – The streamlined design keeps weight to a minimum, making it ideal for fast-moving tactical engagements.
  • Compatible with Magnifiers – Works seamlessly with Sig Sauer JULIET magnifiers and other 3x or 5x magnification optics for extended-range shooting.

Specifications

  • Brand: Sig Sauer
  • Model: ROMEO-MSR Gen II Red Dot
  • MPN: SGSORMSR101 and SGSORMSR102
  • Magnification: 1x
  • Objective Lens: 20mm
  • Adjustment Increments: 0.5 MOA
  • Total Windage Travel: 100 MOA
  • Total Elevation Travel: 100 MOA
  • Dimensions: 69.7mm x 62.9mm x 44.8mm
  • Weight: 5.7 oz
  • Reticle: Dot
  • Reticle Color: Red or Green
  • Center Dot Size: 2 MOA
  • Waterproof Rating: IPX7
  • Battery: One CR2032
  • Run Time: 40,000 Hours
  • Illumination Settings: 10 Daytime, 2 Night Vision
  • Mount Type: Picatinny
  • Mount Pattern: Aimpoint T1/T2 Type
  • Material: Aircraft Grade Aluminum
  • Finish: Anodized
  • Color: Black

Products available on this page:

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.

Questions & Answers

Don't see the answer
you're looking for?

Loading questions...