SIG Sauer JULIET3 3x Magnifier - QR Mount
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Sig Sauer
Overview
The SIG Sauer JULIET3 3x Magnifier is designed to enhance your shooting experience by providing a 3X magnification that allows for better target acquisition at extended ranges. Built from durable aluminum, this full-size magnifier seamlessly integrates with your optics, offering a reliable solution for those looking to improve their accuracy without sacrificing speed. This magnifier is often found in builds featuring a mid-length gas system and chambered in 5.56 NATO, making it a solid choice for versatile performance in various shooting scenarios.
Specifications
August 2026 on GunPartPicker
SIG Sauer JULIET3 3x Magnifier - QR Mount 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. Up from #5 in July. Builds with this magnifier are split between 5.56 NATO (55%) and .223 Wylde (36%), split between rifle-length (43%) and mid-length (43%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 7 of the 9 retailers we track have it in stock. The best price crept up from $258.65 to $359.99 over August 2026. Buying today, the lowest price is $265.97 at BattleHawk Armory.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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We ranked every magnifier by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Magnifier Guide →Frequently Built With
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 4 →Builds in the community that include the SIG Sauer JULIET3 3x Magnifier - QR Mount
| Build | Parts | Total |
|---|---|---|
 | 28 | $3622.54 |
 | 8 | $1482.48 |
 | 32 | $2588.18 |
 | 21 | $5249.14 |
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