SIG Sauer Optics
SIG Sauer ROMEO3
Specs, variants & prices
SIG Sauer currently makes 4 versions of the ROMEO3 optic. Listed length is 1.83". Magnification is 1x on each version. SIG Sauer's suggested retail prices run from $8.99 to $699.99, and stores set their own prices from there. The table below lines up every version so you can compare them at a glance.
What versions of the SIG Sauer ROMEO3 are there?
4 current versions. Specs and measurements are SIG Sauer's own.
ROMEO3 Battery Tray
—- Model / part #
- 7401222-R
- Magnification
- —
- Objective
- —
- Reticle
- —
- Attachment
- —
- Overall length
- —
- Finish
- Black
- Details
- —
- MSRP
- $8.99
ROMEO3 MAX and XL Battery Tray
—- Model / part #
- 7402075-R
- Magnification
- —
- Objective
- —
- Reticle
- —
- Attachment
- —
- Overall length
- —
- Finish
- Black
- Details
- —
- MSRP
- $17.99
ROMEO3 PRO 1X31MM — Red 3 MOA Dot
—- Model / part #
- SOR30300
- Magnification
- 1x
- Objective
- 31 mm
- Reticle
- Red 3 MOA Dot
- Attachment
- Top Mount
- Overall length
- 1.83"
- Finish
- Black
- Details
- Height: 1.31" · Waterproof: IPX-7 · Battery: (1) CR1632
- MSRP
- $699.99
ROMEO3 PRO 1X31MM — Red 8 MOA Dot
—- Model / part #
- SOR30800
- Magnification
- 1x
- Objective
- 31 mm
- Reticle
- Red 8 MOA Dot
- Attachment
- Top Mount
- Overall length
- 1.83"
- Finish
- Black
- Details
- Height: 1.31" · Waterproof: IPX-7 · Battery: (1) CR1632
- MSRP
- $699.99
How much does a SIG Sauer ROMEO3 cost?
SIG Sauer's suggested retail prices run from $8.99 to $699.99, depending on the version.
Can you buy one in California or Massachusetts?
SIG Sauer leaves California and Massachusetts blank for this product. Some states limit which accessories a dealer can sell. State rules change, so check our California and Massachusetts pages before you buy.
What's the latest on the ROMEO3?
Nothing new on the ROMEO3 lately.
Specs from SIG Sauer, checked October 17, 2025 (source). SIG Sauer's site blocks scripted requests, so this table was read from a saved copy of the product page. Spot a mistake? Let us know and we'll fix it. SIG Sauer is a trademark of its owner, listed for identification only. Firearms Almanac isn't affiliated with SIG Sauer.