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 Fogproof
  • Classic/Standard Lockable Eyepiece
  • Micro-Friction 1/4 MOA
  • Multicoat 4
  • One inch Maintube
  • Proprietary Nitrogen Fill Process
  • Rimfire Parallax

Absolute waterproof and fogproof 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 and compact, the one-inch maintube is lightweight and fits more legacy rings.

Made with Leupold's Proprietary nitrogen sealing process, 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

    No longer for sale

  • $259.99

    Fine Duplex Reticle

    Matte Finish

    SKU: 58680

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More Product Info & Specs

Weight (oz) 7.50
Linear FOV (ft/100 yd) - Low 25.50
Linear FOV (m/100 m) - Low 8.50
Eye Relief (in) - Low 4.50
Eye Relief (mm) - Low 114.00
Objective Diameter (in) 1.10
Weight (g) 213.00
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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