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Questions & Answers
Does this model come with the lower mount like the Romeo 5? Expert Answer

The SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight only includes an absolute co-witness (1.4") mount. However, it is compatible with Aimpoint T1 mounts.

by Ethan, Gear Expert, May 14, 2024
Customer Reviews
Helpful Positive Review Good but issues. by Ozzie, Verified Owner, July 9, 2024
Seems well made. Red dot size is big enough for pistol carbine. Held 0, 200 rounds 45 ACP. Good. Now for negative, Poor quality screw used to hold clamp on base. Very vert fine screw threads and very few on battery cap. Be very careful, spring on wat...
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2/2 found this helpful
Helpful Positive Review Just what I needed by InquiryMe, Verified Owner, July 21, 2024
Great budget priced green ‘red dot’ sight. I like the dial illumination adjustment better than the push button I have on other setups.
1/1 found this helpful
Helpful Positive Review Sig Sauer MSR GEN II Green dot by Hillclimber, Verified Owner, June 21, 2024
I was waiting for Sig come out with a new green dot that I didn't already have. Luckily I didn't have to wait too long. I have sighted this in at 100 yards without any problems and put about 200 rounds down range. I am lefthanded and love the fact th...
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1/1 found this helpful
Most Recent Reviews Sig Sauer Romeo5 Red Dot Sight — Fast Shipping, Easy Setup, and Outstanding Value by Aaron Anderson, Verified Owner, May 4, 2025
The Sig Sauer Romeo5 Red Dot Sight arrived with lightning-fast shipping. Installation was a breeze, and zeroing it in was remarkably straightforward. Once set, it held zero consistently, even after extensive use. The clarity of the 2 MOA red dot is i...
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Most Recent Reviews great green dot by WESLEY ROBERTS, Verified Owner, April 22, 2025
I have a few shake awake but it really doesn’t bother me to have to turn the dial on this one. Very clear and as usual with Optics Planet it shipped fast but God for in it goes to Memphis TN sorting facility. It will sit there for 3 days. Memphis SUC...
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Most Recent Reviews Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight by Al Iannucci, Verified Owner, April 13, 2025
A quality product at a fair price. To date I have purchased 4 of them for my shotguns. I have recommended them to all my shooting friends.
Read All 22 Reviews

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SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight, 2 MOA Red Dot Reticle, Black, SORMSR101
SIG SAUER Juliet4 4x24mm Magnifier for Reflex Sights, Flip to Side Mount, Black SOJ41001
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Product Info for SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight

The ROMEO-MSR 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.image

Specifications for SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight:

Manufacturer: SIG SAUER
Color: Black
Magnification: 1 x
Objective Lens Diameter: 20 mm
Reticle: 2 MOA Dot
Eye Relief: 63 mm
Adjustment Type: MOA
Emitter Type: Enclosed
Field of View, Angle: 6.8 degrees
Parallax: Parallax Free
Lens Material: Rubber
Optical Coating: Spectracoat
Battery Type: CR2032
Water Resistance Level: IPX-7
Length: 2.7 in
Width: 1.8 in
Height: 2.5 in
Weight: 5.7 oz
Condition: New
Quantity: 1

Features of SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot 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.
  • Slipover, see-through flip-backs
  • 1.41in 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
  • Dependable IPX-7 waterproof and fog-proof performance

Package Contents:

  • SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight
  • CR2032
  • T10 Multi Tool
  • Rubber Lens Covers

SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight Orderable Models

List of Orderable Models

SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight, 2 MOA Red Dot Reticle, Black, SORMSR101 , MPN: SORMSR101 , UPC: 798681694624 , Code: SD9-RD-SIG31224-SORMSR101
SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight, 2 MOA Green Dot Reticle, Black, SORMSR102 , MPN: SORMSR102 , UPC: 798681694631 , Code: SD9-RD-SIG31224-SORMSR102

SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight Unavailable & Discontinued Models

List of Unorderable Models

USED, SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight, 2 MOA Red Dot Reticle, Black, SORMSR101 , MPN: SORMSR101-EDEMO , Code: SD9-RD-SIG31224-SORMSR101-EDEMO-SC-C
USED, SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight, 2 MOA Red Dot Reticle, Black, SORMSR101 , MPN: SORMSR101-EDEMO , Code: SD9-RD-SIG31224-SORMSR101-EDEMO-RE-B
USED, SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight, 2 MOA Red Dot Reticle, Black, SORMSR101 , MPN: SORMSR101-EDEMO , Code: SD9-RD-SIG31224-SORMSR101-EDEMO-RE-C
USED SIG SAUER Romeo MSR GEN II 1x20 mm Reflex Red Dot Sight, 2 MOA Green Dot Reticle, Black, SORMSR102, EDEMO1, Used, Condition Fair , MPN: SORMSR102-EDEMO1 , Code: SD9-RD-SIG31224-SORMSR102-EDEMO1
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