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Questions & Answers
Will this fit the sig p320 M17 Expert Answer

The P320 M17 was designed to accept optics with the larger Deltapoint Pro footprint, opposed to the RMSc footprint used by the Romeo Zero. I would recommend optics such as the Sig Romeo 1 Pro, Vortex Defender ST/XL, Eotech EFLX, Holosun SCS-320 and Sig Romeo Zero Pro.

by Ethan, Gear Expert, February 21, 2025
Can you recommend a picatinny offset mount that is compatible? I plan on using this as a backup for my AR15. Expert Answer

I would recommend the ADE Advanced Optics Universal Red Dot Sight Mount (linked below). The ADE mount actually includes optic screws designed specifically to mount the Sig Romeo Zero.
https://www.opticsplanet.com/ade-advanced-optics-universal-red-dot-sight-mount.html

by Ethan, Gear Expert, January 27, 2025
Customer Reviews
Helpful Positive Review
Very nice surprise. Pretty cool sight, more rugged than I expected.
2/3 found this helpful
Helpful Positive Review
Romeo Zero by DAVID TYLER, Verified Owner, November 13, 2024
I bought a Hellcat Pro which in my case came with a Crimson trace red dot , Sad to say it did not survive the aiming process so i went with a Romeo Zero for the third time I have never had any problem with the Zero performs flawlessly and i recommend...
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1/1 found this helpful
Helpful Positive Review
Excellent value! by Rustytools, Verified Owner, September 25, 2024
Very nice addition to my P365. Mounting is easy, product is well made and uses the additional OPMOD shroud. I don’t consider this the equivalent to a Trijicon reflex sight, but It’s perfect for the EDC individual that wants the benefits of a RDS at a...
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1/1 found this helpful
Helpful Positive Review
Sig Sauer Romeo Zzero by Vern, May 11, 2024
Totally satisfied with Optics Planet and the red dot.
2/2 found this helpful
Helpful Negative Review
For whom was the on/off switch designed? by Bill B, Verified Owner, April 20, 2025
The on/off button on this sight is so poorly located I cannot operate it with my finger. To reach it, I have to use a pencil or pen.
2/3 found this helpful
Most Recent Reviews
wont hold Zero by chicken little, Verified Owner, August 14, 2025
Perfect size for my p365x macro, zeroed in at range fired two shots, on 3rd shot did not hit paper the bore sighter showed red dot went from zero to high left also noticed the adjustments for windage and elevation were difficult to move and elevation...
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Read All 25 Reviews
Color: Black Finish: Textured Fabric/Material: WeaponsGrade Ultralite Polymer Magnification: 1 xObjective Lens Diameter: 24 mmReticle: 3 MOA Illumination Type: LED Illumination Color: Red Brightness Settings: 8 Eye Relief: Unlimited Adjustment Type: MOA Parallax: Parallax Free Lens Material: Polymer Optical Coating: Spectra Coat HD Battery Type: CR1632 , Stand Alone Lithium Battery Quantity: 1 Battery Life: 20000 hoursGun Make: SIG Sauer Gun Model: SIG Sauer P365 , SIG Sauer P365 XL Length: 1.6 inWidth: 0.93 inHeight: 0.93 inWeight: 0.4 ozAdditional Features: No Included Accessories: Standard Condition: Used Condition Quality: Fair Condition Details: Missing Item Magnification Type: Fixed Lens Finish: Spectra Coat HD Quantity: 1 Red Dot Sights-Footprint: RMSc Mount Type: Direct Mount

Code: SD9-RD-SSRDSROM3MOA-SOR01300-EDEMO-MI-D

MPN: SOR01300-EDEMO126

Product No Longer Available

Product Info for SIG SAUER Romeo Zero Red Dot Sight 1x 3 MOA

Enjoy the latest and greatest in slide-mount optics with the SIG SAUER Romeo Zero Red Dot Sight 1x 3 MOA. These Red Dot Sights from the pioneers at SIG SAUER feature a 20,000 hour battery life for extended use on and off the field. With polymer housing the Romeo Zero Red Dot Sight 1x 3 MOA is lighter and won't weigh down your rear. For an affordable addition to your firearm look to the SIG SAUER Romeo Zero Red Dot Sight 1x 3 MOA for high quality at a fraction of the cost.image

The ROMEOZero was designed to match the Shield RMS-c footprint. Two sets of mounting screws are included with commercial versions of the ROMEOZero - M3 screws which are meant to mount the ROMEOZero to SIG P365 optics-ready slides, and M4 screws which are meant to mount the ROMEOZero to certain pistols that have slides cut for the Shield RMS-c footprint. SIG Sauer does not recommend mounting the ROMEOZero to Springfield Hellcat pistols, as the Hellcat design does not allow for a sufficient amount of thread engagement with the optic mounting screws. SIG Sauer assumes no liability if a user attempts to mount a ROMEOZero to a Springfield Hellcat pistol slide. Customers are encouraged to contact their firearm's manufacturer for guidance on compatible optics products and specific installation procedures for their firearm.

Features of SIG SAUER Romeo Zero Red Dot Sight 1x 3 MOA:

  • Marked variants available exclusively from OpticsPlanet;
  • SpectraCoat HD Polymer Lens with 10 times the impact resistance over traditional glass lenses;
  • Weapons-Grade Ultralite Polymer housing optimized for use with Polymer pistols, concealed-carry and also slim slide profiles such as single-stack 1911s, and sub-compact firearms;
  • Stippling pattern on the housing matches P365 and P365XL grip pattern, for an integrated look;
  • 8 vivid, user-configurable daytime illumination levels;
  • MOTAC (Motion Activated Illumination System) that powers up when it senses motion and powers down when it does not;
  • Parallax free;
  • Highly efficient, point source LED emitter for a crisp dot that is 8 times more efficient than conventional red dots;
  • 10 year battery life unrivaled in a micro reflex sight;
  • ROMEO ZERO is compatible With:
    • Direct mount to P365XL
    • Shield RMS-c footprint
    • J-Point footprint

Package Contents:

  • SIG SAUER Romeo Zero Red Dot Sight 1x 3 MOA

Red Dot Accessories

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Related Products to SIG SAUER Romeo Zero Red Dot Sight 1x 3 MOA

SIG SAUER Romeo Zero Red Dot Sight 1x 3 MOA Unavailable & Discontinued Models

List of Unorderable Models

  • USED SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300, EDEMO126, Used, Condition Fair, Missing Item , MPN: SOR01300-EDEMO126 , Code: SD9-RD-SSRDSROM3MOA-SOR01300-EDEMO-MI-D
  • DEMO, SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300 , MPN: SOR01300-DEMO , Code: SD9-RD-SSRDSROM3MOA-SOR01300-DEMO
  • USED, SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300 , MPN: SOR01300-EDEMO , Code: SD9-RD-SSRDSROM3MOA-SOR01300-EDEMO-SC-C
  • DEMO, OpticsPlanet Exclusive SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, FDE, Small, SOR01301 , MPN: SOR01301-DEMO , Code: SD9-RD-SSRDSROM3MOA-SOR01301-DEMO
  • Sig Sauer OPMOD Inc Romeozero Reflex Red Dot Sight, 3 MOA, Black , MPN: SOR01305-KIT2023 , Code: SD9-RD-SSRDSROM3MOA-SOR01305-KIT2023
  • USED, SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300 , MPN: SOR01300-EDEMO , Code: SD9-RD-SSRDSROM3MOA-SOR01300-EDEMO-RE-B
  • USED OpticsPlanet Exclusive SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, FDE, Small, SOR01301, EDEMO32, Used, Condition Like New , MPN: SOR01301-EDEMO32 , Code: SD9-RD-SSRDSROM3MOA-SOR01301-EDEMO32
  • USED SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300, EDEMO125, Used, Condition Good, Inspect and Rebox , MPN: SOR01300-EDEMO125 , Code: SD9-RD-SSRDSROM3MOA-SOR01300-EDEMO-RE-C
  • USED SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300, EDEMO100, Condition Parts Only/Salvage, Defective , MPN: SOR01300-EDEMO100 , Code: SD9-RD-SSRDSROM3MOA-SOR01300-EDEMO-DF-F
  • USED SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300, EDEMO98, Used, Condition Good, Inspect and Rebox , MPN: SOR01300-EDEMO98 , Code: SD9-RD-SSRDSROM3MOA-SOR01300-EDEMO98
  • USED OpticsPlanet Exclusive SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, FDE, Small, SOR01301, EDEMO31, Used, Condition Fair , MPN: SOR01301-EDEMO31 , Code: SD9-RD-SSRDSROM3MOA-SOR01301-EDEMO31
  • USED OpticsPlanet Exclusive SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, FDE, Small, SOR01301, EDEMO37, Condition Fair, Scratches , MPN: SOR01301-EDEMO37 , Code: SD9-RD-SSRDSROM3MOA-SOR01301-EDEMO-SC-D
  • OpticsPlanet Exclusive SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, FDE, Small, SOR01301 , MPN: SOR01301 , UPC: 798681643875 , Code: SD9-RD-SSRDSROM3MOA-SOR01301
  • USED SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300, EDEMO93, Condition Fair, Other , MPN: SOR01300-EDEMO93 , Code: SD9-RD-SSRDSROM3MOA-SOR01300-EDEMO-OT-D
  • USED SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300, EDEMO97, Used, Condition Like New, Inspect and Rebox , MPN: SOR01300-EDEMO97 , Code: SD9-RD-SSRDSROM3MOA-SOR01300-EDEMO-RE-A
  • USED SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300, EDEMO127, Used, Condition Like New, Inspect and Rebox , MPN: SOR01300-EDEMO127 , Code: SD9-RD-SSRDSROM3MOA-SOR01300-EDEMO127
  • SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300 , MPN: SOR01300 , UPC: 798681618958 , Code: SD9-RD-SSRDSROM3MOA-SOR01300
  • USED SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, Black, Small, SOR01300, EDEMO96, Used, Condition Like New, Open Box , MPN: SOR01300-EDEMO96 , Code: SD9-RD-SSRDSROM3MOA-SOR01300-EDEMO-OB-A
  • EDEMO, OpticsPlanet Exclusive SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, FDE, Small, SOR01301 , MPN: SOR01301-EDEMO , Code: SD9-RD-SSRDSROM3MOA-SOR01301-EDEMO-RE-A
  • USED OpticsPlanet Exclusive SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, FDE, Small, SOR01301, EDEMO22, Used, Condition Fair , MPN: SOR01301-EDEMO22 , Code: SD9-RD-SSRDSROM3MOA-SOR01301-EDEMO22
  • USED OpticsPlanet Exclusive SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, FDE, Small, SOR01301, EDEMO23, Used, Condition Like New , MPN: SOR01301-EDEMO23 , Code: SD9-RD-SSRDSROM3MOA-SOR01301-EDEMO23
  • USED OpticsPlanet Exclusive SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, FDE, Small, SOR01301, EDEMO20, Used, Condition Good , MPN: SOR01301-EDEMO20 , Code: SD9-RD-SSRDSROM3MOA-SOR01301-EDEMO20
  • USED OpticsPlanet Exclusive SIG SAUER Romeo Zero 1x Red Dot Sight, 3 MOA for P365/P365XL, FDE, Small, SOR01301, EDEMO24, Condition Parts Only/Salvage, Defective , MPN: SOR01301-EDEMO24 , Code: SD9-RD-SSRDSROM3MOA-SOR01301-EDEMO-DF-F
  • SIG SAUER Romeo Zero 1x30mm Red Dot Sight, 3 MOA Reticle, Sig P365/P365XL, Coyote, Small, SOR01303 , MPN: SOR01303 , UPC: 798681643882 , Code: SD9-RD-SSRDSROM3MOA-SOR01303
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