SIG Sauer Optics
SIG Sauer ROMEO-MSR
Specs, variants & prices
SIG Sauer currently makes 6 versions of the ROMEO-MSR optic. Magnification options are 1X / 3X, 1X / 5X and 1x. SIG Sauer's suggested retail prices run from $0.99 to $349.99, 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 ROMEO-MSR are there?
6 current versions. Specs and measurements are SIG Sauer's own.
ROMEO-MSR GEN I KEEPER BOLT
—- Model / part #
- 7402342-R
- Magnification
- —
- Objective
- —
- Reticle
- —
- Weight
- —
- Finish
- —
- Details
- —
- MSRP
- $0.99
ROMEO-MSR GEN II AND JULIET3-MICRO COMBO KIT — Red 2 MOA Dot
- Model / part #
- SORJMSR101
- Magnification
- 1X / 3X
- Objective
- 20 mm
- Reticle
- Red 2 MOA Dot
- Weight
- 5.7 oz
- Finish
- Black
- Details
- Waterproof: IPX-7 · Height: 62.9 mm · Length: 69.7 mm · Battery: (1) CR2032
- MSRP
- $319.99
ROMEO-MSR GEN II AND JULIET5-MICRO COMBO KIT — Red 2 MOA Dot
—- Model / part #
- SORJMSR501
- Magnification
- 1X / 5X
- Objective
- 20 mm
- Reticle
- Red 2 MOA Dot
- Weight
- —
- Finish
- Black
- Details
- Waterproof: IPX-7 · Height: ROMEO-MSR - 2.48 in [62.9 mm] / JULIET5-MICRO - 2.52 in [64 mm] · Length: ROMEO-MSR - 2.74 in [69.7 mm] / JULIET5-MICRO - 3.1i n [79 mm] · Battery: (1) CR2032
- MSRP
- $349.99
ROMEO-MSR GEN II COMPACT RED DOT SIGHT, 1X20MM, 2 MOA GREEN DOT, 1 MOA ADJ, M1913, BLACK — Red 2 MOA Dot
- Model / part #
- SORMSR102
- Magnification
- 1x
- Objective
- 20 mm
- Reticle
- Red 2 MOA Dot
- Weight
- 5.7 oz
- Finish
- Black
- Details
- Length: 69.7 mm · Height: 62.9 mm · Waterproof: IPX-7 · Battery: (1) CR2032
- MSRP
- $139.99
ROMEO-MSR GEN II COMPACT RED DOT SIGHT, 1X20MM, 2 MOA RED DOT, 1 MOA ADJ, M1913, BLACK — Red 2 MOA Dot
- Model / part #
- SORMSR101
- Magnification
- 1x
- Objective
- 20 mm
- Reticle
- Red 2 MOA Dot
- Weight
- 5.7 oz
- Finish
- Black
- Details
- Length: 69.7 mm · Height: 62.9 mm · Waterproof: IPX-7 · Battery: (1) CR2032
- MSRP
- $129.99
ROMEO-MSR PICATINNY RAIL KEEPER
—- Model / part #
- 7402343-R
- Magnification
- —
- Objective
- —
- Reticle
- —
- Weight
- —
- Finish
- Black
- Details
- —
- MSRP
- $5.99
How much does a SIG Sauer ROMEO-MSR cost?
SIG Sauer's suggested retail prices run from $0.99 to $349.99, depending on the version. Tap “See prices” next to any version to see what retailers are asking.
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 ROMEO-MSR?
Nothing new on the ROMEO-MSR lately.
Specs from SIG Sauer, checked July 24, 2025 (source). SIG Sauer's site blocks scripted requests, so this table was read from a saved copy of the product page. A few UPCs come from retailer listings, since SIG Sauer doesn't publish them for every version. 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.