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Sig Sauer
Overview
The Sig Sauer Romeo MSR Green Dot Gen II Optic is a compact reflex sight designed for quick target acquisition with its vibrant green reticle. Featuring a Picatinny mounting interface, it easily attaches to a variety of platforms, making it versatile for different configurations. This optic is typically found on builds utilizing a carbine gas system chambered in 5.56 NATO, offering builders a reliable sighting solution for both tactical and recreational shooting.
Specifications
Available Merchants(8)
Prices checked
Price Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the SIG Sauer Romeo MSR Green Dot Gen II Optic - SORMSR102 to a build in February 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 7 of the 8 retailers we track have it in stock. It dipped to $83.38 at BattleHawk Armory for a stretch in September 2026, well under its usual $110.99 to $139.99, so sales do come around. Buying today, the lowest price is $94.83 at BattleHawk Armory, above September's low of $83.38, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
XTS M-LOK Aluminum Angled Foregrip - Black
BLEM PSA AR-15 Lower Safe/Fire
BLEM PSA Freedom AR-15 Rifle KIT 5.56 16" M4 Carbine-Lgth 1:7 Nitride - 507617B
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Aero Precision M16 / AR-15 Bolt Carrier Group - Black Nitride - No Logo
Aero Precision Enhanced M-LOK Handguard Gen 2 15" Black
Builds Featuring This Part
See all 1 →Builds in the community that include the Sig Sauer Romeo MSR Green Dot Gen II Optic - SORMSR102
| Build | Parts | Total |
|---|---|---|
 | 11 | $932.55 |
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