FX-I Rimfire 4x28mm

FX-I Rimfire 4x28mm
FX-I Rimfire 4x28mm

Product Information

Leupold® Rimfire riflescopes are built and tested to the same high standards as all Golden Ring® riflescopes.


  • 100% Waterproof and Fog Proof
  • Classic/Standard Lockable Eyepiece
  • Micro-Friction 1/4 MOA
  • Multicoat 4
  • One inch Maintube
  • Proprietary Nitrogen Fill Process
  • Rimfire Parallax

Absolute waterproof and fog proof integrity – each is ready for a lifetime in the field, in all conditions.

Leupold's classic/standard fast focus eyepiece with a low profile lock ring makes reticle focus easy to achieve and maintain.

Micro-friction dials are marked in ¼-MOA increments for easy windage and elevation adjustments.

The Multicoat 4® lens system delivers extreme clarity from edge to edge of the visual field, outstanding contrast, and a bright sight picture even in extreme low-light conditions.

Durable one-inch maintube.

Made with Leupold's Proprietary nitrogen sealing proecess, which has become the industry standard. Rugged and absolutely waterproof.

Parallax adjusted for 60 yards.

FX-I Rimfire 4x28mm Options

  • $299.99

    Fine Duplex Reticle

    Gloss Finish

    SKU: 58670

  • $259.99

    Fine Duplex Reticle

    Matte Finish

    SKU: 58680

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More Product Info & Specs

Linear FOV (ft/100 yd) - Low 25.50
Linear FOV (m/100 m) - Low 8.50
Weight (oz) 7.50
Weight (g) 213.00
Objective Clear Aperture (in) 1.10
Eye Relief (mm) - Low 114.00
Eye Relief (in) - Low 4.50
Elevation Adjustment Range (MOA) 80.00
Windage Adjustment Range (MOA) 80.00
Length - A (in) 9.20
Mounting Space - B (in) 4.80
Illustration - C 1.40
Illustration - D 2.20
Eyepiece Length - E 2.30
Objective Length - F 2.20
Objective Diameter - G 1.40
Eyepiece Diameter - H 1.40
Tube Diameter- k (in) 1.00
Tube Diameter- k (mm) 25.40
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Sales Tax $0.00