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What footprint? This should be very easy to find info for any red dot but for some reason it's not. Is it rms/rmsc like the smaller Romeo zero? — 3 Answers

by Joshua Bruce, from KY, United States Asked on May 25, 2022

Name SIG SAUER ROMEOZero Pro Red Dot Sight (2.8)
$299.99 $209.99 Save 30%
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Answered by Ethan, Gear Expert, from IL, United States, on June 06, 2022

The Sig Sauer Romeo Zero Pro uses the Leupold DeltaPoint Pro optic footprint and fits compact/full size handguns like the P320. The Romeo Zero Elite uses the Shield RMSc optic footprint and fits micro handguns like the P365XL.

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Answered by InBound556, guest, from CA, United States, on June 03, 2022

The Romeo zero Pro has the Delta Point Pro foot print. SIG has always been confusing in their branding. If you see an “R” at the end (Romeo Zero Pro R), it’s the model with the Trijicon RMR foot print.

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Answered by TroyJ, member, from MN, United States, on June 02, 2022

According to the Sig Sauer web site:
"The ROMEOZero-PRO model is compatible with all SIG SAUER ROMEO1 PRO optics-ready pistols."
I think this means it has the same footprint as the Leupold DeltaPoint Pro, so they fit on the P320-M17 and P320-M18 slide cut at a minimum.
That is, at least, my current understanding.

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Last updated 2025-11-12 UTC.