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US Optics B-25 5-25x52 GEN II XR .1MRAD Riflescope


Gen II XR reticle with .1MRAD adjustments.

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Modern rifle scopes must meet the demands placed upon them in an operational sense, as well as satisfy consumers. It's not always easy to do both, but U.S. Optics has come up with a winner in their new "B" Series, which includes the B-10, B-17, and B-25 scopes.

The B-10 is a medium-range scope, meant to engage targets out to a range of ~1,000 - 1,200 yards. The B-17 is a medium-long range scope, meant to engage targets out to a range of ~1,500 - 1,700 yards. Finally, the B-25 is a long-range scope, meant to engage targets out to a range of ~2,500-yards (and potentially further) in the hands of a capable marksman.

Though the general rule of thumb is 1x magnification power for every 100-yds (approximately) range between the shooter and the target, there are certainly scopes with low-grade lens materials that can make successfully engaging a target at moderate- to long-distance a real challenge. Not so with the B Series. U.S. Optics utilizes premium lenses and materials in the construction of these scopes, sealing them against the elements.

A series with premium features and numerous reticle options, U.S. Optics' B-series scopes are destined to find their way on to precision rifles owned by the most discerning operators and competitors.

The B-25 has the most features and highest magnification of the B Series optics.


  • Locking elevation and windage knobs
  • Zero-stop
  • Revolution counter
  • Tool-less elevation zero
  • 2 mm Exit Pupil Diameter
  • +2 to -3 Diopter
  • 2.3” / 58.63 mm Objective Lens Housing Diameter
  • 1.40” / 35 mm Ocular Lens Diameter
  • Lithium Coin battery (CR2032); run time up to 8,000 Hours

The B-25 optics also have all the same durability, reliability, and performance that US Optics is known for. Additionally, this Anti-Reflective Device fits B-25 scopes and will block stray light rays from entering the objective lens, reducing glare in the process.


  • Item ConditionNew
  • Scope Weight:35.9oz / 1.01kg
  • Scope Length:17.93" / 455.42mm
  • Magnification Range:5-25x
  • Scope Objective Diameter:2.04" / 52mm
  • Scope Tube Size / Mount:1.33" / 34mm
  • Turret Adjustment (Click Value):.1 MRAD
    Total Elevation: 30+ MRAD
    Total Windage: 5MRAD L / 5MRAD R
  • Parallax Adjustment:Side Focus Parallax 25yds->∞
  • Reticle Position:First Focal Plane
  • Reticle Details:GENIIXR Reticle
  • Field of View:Field of View @ 5x: 16.08' @ 100 yrds
    Field of View @ 25x: 5.25' @ 100 yds
  • Eye Relief:3.5" / 88.9mm
  • Illuminated Reticle:Single-button illumination control (integrated into the parallax adjustment knob)
    Color: Red
  • Scope Finish:Aluminum, 6061-T6, Matte Black
  • Product TypeRiflescopes
  • UPC811069020997

Customer Reviews

Average Rating
December 8, 2017

one of the best tactical optics in the market, dollar to dollar, it has the highest value in the current long range tactical shooting societies.

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