Q&A for SIG SAUER Romeo-RS Pro 1x31mm Reflex Red Dot Sight

Q

Jimmy, guest, from NC, United States, asked on January 15, 2026

Will this fit the Sigg 320 compact

Expert Answer

A

Answered by Ethan, Gear Expert, from IL, United States, on January 15, 2026

Yes, the SIG SAUER Romeo-RS Pro will be directly compatible with the P320 Compact (optic ready models) without the need for an adapter plate.

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Q

Lizzy, guest, from ME, United States, asked on February 10, 2026

Will it fit P322

Expert Answer

A

Answered by Ethan, Gear Expert, from IL, United States, on February 11, 2026

No, the RS-Pro uses the Deltapoint Pro footprint. You would need the Romeo-RS Compact model which can be found linked below:
https://www.opticsplanet.com/sig-sauer-romeo-rs-compact-red-dot-sight-24mm-objective.html

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Q

Ebony, guest, from NY, United States, asked on November 17, 2025

Will this fit a sig p365 fuse?

Expert Answer

A

Answered by Ethan, Gear Expert, from IL, United States, on November 17, 2025

No, the RS-Pro uses the Deltapoint Pro footprint. You would need the Romeo-RS Compact model which can be found linked below:
https://www.opticsplanet.com/sig-sauer-romeo-rs-compact-red-dot-sight-24mm-objective.html

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Q

Ej, guest, from NH, United States, asked on September 27, 2025

will this fit a Glock 43X MOS

A

Answered by MNGUNSMITH, member, from MN, United States, on November 15, 2025

Yes. It fits onto any GLOCK slide as long as there is a RMR cut. If not, on this site a few guys sell underplates to mount onto the rear sight cuts. then go for it.

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Q

joey, member, from VA, United States, asked on June 25, 2025

which footprint?

A

Answered by Mike, member, from FL, United States, on July 11, 2025

The COMPACT model fits all Shield RMSc footprints and
the PRO model fits all DeltaPoint PRO footprints.

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Q

Patrick Martin, guest, from FL, United States, asked on April 02, 2026

Is it shake awake?

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Q

Rock, guest, from NJ, United States, asked on March 02, 2026

Which red dot will fit my P229 .40 ?

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Q

Teck, member, from FL, United States, asked on December 26, 2025

Anyone have issues with the battery tray still loose and rattling after torquing the security screw to 4 in-lbs?

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Q

Ebony, guest, from NY, United States, asked on November 17, 2025

Will this fit a sig p226 x legion carry?

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Q

johnm, member, from CA, United States, asked on August 12, 2025

Is the PRO version a direct fit on a P320 X5 Legion?

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Q&A for SIG SAUER Romeo-RS Pro 1x31mm Reflex Red Dot Sight — 11 Questions & 6 Answers