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Sig Sauer
Overview
The Sig Sauer Romeo MSR Gen II with JULIET3 Micro Combo Kit is a versatile optic designed for quick target acquisition and precision shooting. Featuring a 2 MOA red dot reticle, this sight provides a clear and precise aiming point, while the black finish ensures durability and reduces glare. This optic is commonly found in builds utilizing a carbine gas system chambered in 5.56 NATO, making it a practical choice for a wide variety of applications.
SIG Sauer Romeo MSR Gen II w/ JULIET3 Micro Combo KIT, Black - SORJMSR101
Prices checked
SIG Sauer Romeo MSR Gen II w/ JULIET3 Micro Combo KIT, Black - SORJMSR101 ranked #26 of the 220 optics builders added on GunPartPicker in October 2026, behind the Sightmark Core Shot A-Spec FMS 1x28x18mm Red Dot Sight - SM26017, with about 1 in every 143 optics added to builds. That's its 2nd straight month at #26. Builds with this optic are mostly chambered in 5.56 NATO (79%, then 300 Blackout 12%), split between mid-length (56%) and carbine-length (26%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, but today 2 of the 8 retailers we track have it in stock. It dipped to $218.88 at BattleHawk Armory for a stretch in October 2026, well under its usual $249.99, so sales do come around. Buying today, the lowest price is $249.99 at BattleHawk Armory, above October's low of $218.88, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every optic by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Red Dot & Optic Guide →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Sig Sauer Romeo MSR Gen II w/ JULIET3 Micro Combo Kit, Black - SORJMSR101
| Build | Parts | Total |
|---|---|---|
![]() | 24 | $1680.88 |
![]() | 30 | $3751.61 |
![]() | 30 | $3751.61 |
![]() | 26 | $2607.19 |
![]() | 27 | $3000.79 |
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