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Sig Sauer
Overview
The Sig Sauer Juliet4 4x Magnifier is designed to enhance your shooting accuracy by providing a 4X magnification, allowing you to effectively engage targets at greater distances. Constructed from aluminum, it offers durability while maintaining a lightweight profile, and its full-size design ensures compatibility with various optics setups. This magnifier is commonly paired with pistol builds in 5.56 NATO, making it a solid choice for those looking to improve their long-range capabilities.
Specifications
Available Merchants(8)
Prices checked
Price Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the SIG Sauer JULIET4 4x Magnifier, Black - SOJ41001 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 4 of the 8 retailers we track have it in stock. Prices barely moved in September 2026, holding around $399.99, so there haven't been real sales lately. Buying today, the lowest price is $399.99 at MidwayUSA, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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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
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with 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.
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