Foundation Series™

The Foundation Series™ is domestically manufactured and establishes a new standard for reliability, durability, and performance for which US Optics™ is renown.

The Foundation Series™ line of optics incorporates and improves upon core components that U.S. Optics™ has developed, proven, and popularized in over 29 years. The Foundation Series™ is machined from aircraft grade 6061-T6 aluminum, and features a low profile ER3K elevation knob, capped US#1 windage knob, adjustable integrated parallax and illumination knob, rapid adjustable 180° magnification throw, and customizable options to easily meet the needs of every end-user.

Build your foundation with confidence; Build it with U.S. Optics™.

FDN 10X

1.8-10X42MM

If you’re looking for a scope that is highly effective at both extremes of its magnification range, all while maintaining revered optical clarity, you’ve found it. The FDN 10X 1.8-10X features a 42mm objective, 6061-T6 aluminum 34mm tube, low-profile ER3K elevation knob with a zero stop, ergonomic capped US#1 windage knob, integrated illumination and parallax knob, rapid adjustable 180° magnification throw, and customization options that will undoubtedly meet your needs. Make your next build stand out from the rest with the FDN 10X.

Starting at $2499

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FDN FX10

10X42MM

Specifically designed and engineered to be rugged, streamlined, and dependable, the FDN FX10 is that and so much more. Fixed at 10 power, the FDN FX10 is built to withstand extreme hunting and environmental conditions, all while delivering top-tier optical clarity and reliability. The FDN FX10 features a 6061-T6 aluminum 34mm tube, low-profile ER3K elevation knob with a zero stop, ergonomic capped US#1 windage knob, integrated illumination and parallax knob, and customization options that will undoubtedly meet your needs.

Starting at $1999

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FDN 17X

3.2-17X50MM

Designed and engineered with precision shooters in mind, the FDN 17X makes taking shots out to 1500 yards nearly effortless. It’s wide magnification range, optical clarity, and feature set make the FDN 17X a multipurpose optic for use across many shooting applications. The FDN 17X 3.2-17X features a 50mm objective, 6061-T6 aluminum 34mm tube, low-profile ER3K elevation knob with a zero stop, ergonomic capped US#1 windage knob, integrated illumination and parallax knob, rapid adjustable 180° magnification throw, and customization options that will undoubtedly meet your needs.

Starting at $2899

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FDN 25X

5-25X52MM

Built to meet the demands of professional precision shooters, the FDN 25X offers everything a shooters needs to push their rifle’s limits. The FDN 25X features a reengineered optical system to guarantee the sharpest image resolution possible throughout the 5-25 magnification range. Target acquisition for accurate shots beyond 2,000 yards is facilitated by the rapid adjustable 180° magnification throw. The ER3K elevation knob provides the shooter with the ability to perform eleven mils of correction per one revolution. The FDN 25X 5-25X features a 52mm objective, 6061-T6 aluminum 34mm tube, low-profile ER3K elevation knob with a zero stop, ergonomic capped US#1 windage knob, integrated illumination and parallax knob, rapid adjustable 180° magnification throw, and customization options that will undoubtedly meet your needs.

Starting at $3449

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