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Sig Sauer
Overview
The SIG Sauer Juliet 3 Magnifier Micro 3X is designed to enhance your sight picture by providing a clear 3X magnification, making it easier to engage targets at greater distances. Constructed from aluminum, this lightweight magnifier maintains durability without adding unnecessary bulk to your setup. It is commonly found in builds utilizing a mid-length gas system and chambered in 5.56 NATO, where precision and target acquisition are key.
SIG Sauer Juliet 3 Magnifier Micro 3X, Black - SOJ3M001 was the second most added magnifier on GunPartPicker in August 2026, behind the EOTECH G45 5X Magnifier - Black, with about 10% of all magnifiers added to builds. That's its 4th straight month at #2. Builds with this magnifier are mostly chambered in 5.56 NATO (75%, then 300 Blackout 25%), mostly on mid-length gas (67%, then pistol-length 33%), and mostly AR-15 (80%, then AR-10 20%).
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 10 of the 12 retailers we track have it in stock. It dipped to $149.99 at Palmetto State Armory for a stretch in August 2026, under its usual $159.99 to $168.87, so sales do come around. Buying today, the lowest price is $149.99 at Palmetto State Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
We ranked every magnifier by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Magnifier Guide →The part most often added in each category by the 80 builds that include this one
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the SIG Sauer Juliet 3 Magnifier Micro 3X, Black - SOJ3M001
| Build | Parts | Total |
|---|---|---|
 | 30 | $6328.11 |
 | 16 | $1496.48 |
 | 12 | $1508.26 |
 | 29 | $4983.93 |
 | 21 | $3896.10 |
 | 21 | $1818.56 |
1 global rating
Top reviews
SIG Juliet 3 Micro 3x magnifier flips to the side cleanly on the integrated mount. Glass is clear edge to edge. Battery isnt needed since its a passive magnifier. Pairs well with the Romeo MSR as a budget LPVO alternative.
