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Q&A for SIG SAUER OPMOD ROMEOZero Reflex Red Dot Sight — 63 Questions & 29 Answers

Name SIG SAUER OPMOD ROMEOZero Reflex Red Dot Sight (4)
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Q
Bo, member, from LA, United States, asked on March 12, 2025

Does this optic come with the pictured metal guard?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on March 12, 2025

Yes, the SIG SAUER OPMOD ROMEOZero includes a steel protective shroud.

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Q
Ed Clapper, member, from PA, United States, asked on January 24, 2025

Will this sight attach to a rail?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on January 24, 2025

The SIG SAUER OPMOD ROMEOZero Reflex Red Dot Sight does not include a picatinny mount to attach to a flattop rail. You must purchase a mount separately. The SIG SAUER Universal Reflex Sight Riser Mount will be compatible with this optic and can be found linked below:
https://www.opticsplanet.com/sig-sauer-universal-reflex-sight-riser-mounts.html

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Q
Joe, guest, from NJ, United States, asked on December 29, 2024

Will this fit a p365x

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on March 12, 2025

Yes, the SIG SAUER OPMOD ROMEOZero Reflex Red Dot Sight mounts directly to the optic ready slide of the P365X.

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Q
Junjun, member, from CA, United States, asked on December 24, 2024

will this fit a Spectre Comp without a need for a base plate?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on December 24, 2024

The SIG SAUER OPMOD ROMEOZero Reflex Red Dot Sight will mount directly to the P365 Spectre Comp without the need for an adapter plate.

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Q
Ange, member, from WI, United States, asked on December 11, 2024

Will it fit a Glock 19???

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on December 24, 2024

The SIG SAUER OPMOD ROMEOZero uses the RMSc footprint, designed for slim micro-compacts. It can fit a Glock 19 if you have an MOS (optic ready) model if you use plate #4 included with your Glock. If you do not have an optic ready Glock 19, you can use the Evolution Gun Works Leupold DeltaPoint Pro Sight Mount (linked below). However, I would still recommend using a larger optic to get the benefits of a larger window and a better fit. Email us at Techsales@opticsplanet.com for more information.
https://www.opticsplanet.com/evolution-gun-works-leupold-deltapoint-pro-sight-mount-for-glocks.html

3 of 3 found the following answer helpful.
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Q
Jim, member, from CO, United States, asked on December 02, 2024

where is the battery door

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on December 02, 2024

The SIG SAUER OPMOD ROMEOZero Reflex Red Dot Sight houses its CR1632 battery on the underside of the optic.

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Q
Antonio, guest, from NJ, United States, asked on November 21, 2024

Will this fit a hellcat pro and co witness with OEM iron sights?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on November 21, 2024

The SIG SAUER OPMOD ROMEOZero Reflex Red Dot Sight will directly mount to the optic ready slide of a Hellcat Pro and allow for a lower 1/3 co-witness using the OEM iron sights.

1 of 1 found the following answer helpful.
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Q
None, guest, from AZ, United States, asked on November 15, 2024

Will this fit a sigsauer P3 20 X compact

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on November 15, 2024

The Sig Romeo Zero uses the smaller RMSc footprint while the P320 X-Compact is designed to accept optics with the Deltapoint Pro footprint. I would recommend the SIG SAUER ROMEOZero Pro, which is basically the scaled-up version of this optic with a bigger window and uses the Deltapoint Pro footprint, which will directly mount to your P320. It can be found by using the link below:
https://www.opticsplanet.com/sig-sor01100-romeozero-pro.html

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Q
Xfire, member, from OK, United States, asked on November 14, 2024

Will it fit taurus g3c TORO ?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on December 26, 2024

The G3c TORO was designed to accept full size optics, not slim micro-optics like the Romeo Zero. You can fit this optic using the #4 plate included with your pistol, but you may have to cut the screws provided by Taurus. I would recommend using full sized optics with the RMR, Deltapoint Pro, C-More, or Docter footprints. For more information, email us at Techsales@opticsplanet.com.

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Q
LibertyOrDeath, guest, from NM, United States, asked on September 25, 2024

Does it fit the Springfield Hellcat Pro

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on December 24, 2024

The SIG SAUER OPMOD ROMEOZero will mount directly to the Hellcat Pro, no adapter plate required.

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Last updated 2025-11-12 UTC.