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Sig Sauer ROMEO-MSR 1x20mm 2 MOA Compact Red Dot Sight SOR72001

SKU SOR72001-Sig

List Price $129.99
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The Sig Sauer ROMEO-MSR Reflex Sight is a sealed compact red dot or green dot sight intended for MSR, carbine, shotgun and air rifle. Brightness is adjusted with a top-mounted rotary dial, featuring 10 daytime and 2 night vision settings for quick target engagement in any condition.

Features of the Sig Sauer ROMEO-MSR Reflex Sight

  • High-performance lens coatings for excellent light transmission and dot contrast in any situation.
  • Ultra-compact size and weight with unlimited eye-relief and parallax-free operation.
  • Precise 2 MOA Dot
  • Slipover, see-through flip-backs
  • 1.41" T10 Torx M1913 Skeletonized lightweight Riser Mount for absolute co-witness
  • Top loading battery compartment with integral brightness control featuring 10 daytime and 2 NV settings
  • Over 20,000 hours runtime on a CR1632 battery
  • Aircraft grade aluminum housing and mount
  • Dependable IPX-7 waterproof and fog-proof performance


  • Magnification Range:1x
  • Reticle Details2 MOA Red Dot
  • Objective Lens Diameter:20mm
  • Dimensions:3.1"
  • Weight:4.9 oz.
  • Battery(1) CR1632
  • Battery TypeCR1632
  • Night Vision CompatibleYes
  • Brightness Settings2 NVD 10 Regular
  • Item ConditionNew
  • UPC798681618675
  • MPNSOR72001

Customer Reviews

Average Rating
April 3, 2023

For the price it isn't a bad optic. It is being used on the equivalent of a .22 rifle and it is working fine on this. This would probably be ok on a 9mm as well but I don't know that I would trust it on anything else. The adjustment clicks are clear and fairly fine. The dot is clear through setting 5. After setting 6 the dot really stars and is no longer clear/round. The covers are decent. I would have preferred them to be solid (at least the front lens cover). The power/level nob is fairly stiff and the clicks are not very crisp.

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April 19, 2021

Euro is pretty awesome to say... Picked this MSR up for an 8.5" 9mil build... for $89 it's not a bad buy at all, best price I found for them anywhere... it's a dot at the end of the day and it does what it's intended to do, good buy in reality, especially for the amount of money you spend for it.

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April 6, 2021

For the price this is a great optic. The dot is sharp and has a wide range of brightness. Put this on a .410 shotgun /22 Mag rifle. No issues handeling the shots from it and holding a zero. The brightness dial is a little tough but that may get better over time. All that being said, I don't think that you could find a better sub $100 red dot than this.

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August 11, 2020

Fast shipping. I have not installed it yet will go on a 9mm AR platform. I key to my purchase was that is was sold by SIG. I find most of these small devices will fail SIG has a great warranty on the unit. I am certain it will work well. Dan

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