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US Optics 3.2-17x50 IRG 1/4 IPHY B-17 IGR


IGR reticle with 1/4IPHY adjustments.

US Optics 3.2-17x50 IRG 1/4 IPHY B-17 IGR


IGR reticle with 1/4IPHY adjustments.

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Your Price $2,510.07
iconThis item ships for free Offer valid within continental United States. Excludes firearms & ammunition.
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This B-17 optic features the IGR reticle. The IGR Reticle has fine cross hair center which provides for a clear and crisp image without obscuring the target. The center is a red dot each allows the shooter to better see the groupings. The reticle has 30 MOA on the upper portion of the vertical axis and 60 on the lower portion and 30 MOA on both the left and right side of the horizontal axis.

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.

While the B-17 has the the popular 3.2-17x magnification, which is what many of today’s professionals are looking for, it has many other great features.


  • Locking elevation and windage knobs
  • Zero-stop
  • Revolution counter
  • Tool-less elevation zero
  • Single-button illumination control (integrated into the parallax adjustment knob)
  • 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); runtime up to 8,000 Hours

The B-17 optics also have all the same durability, reliability, and performance that US Optics is known for.


Item ConditionNew
Scope Weight:31.3oz / .887kg
Scope Length:15.02" / 381.50mm
Magnification Range:3.2-17x
Scope Objective Diameter:1.96" / 50mm
Scope Tube Size / Mount:1.33" / 34mm
Scope Turret Adjustment:1/4 IPHY
Total Elevation: 120 IPHY
Total Windage: 12 IPHY L / 12 IPHY R
Parallax Adjustment:Side Focus Parallax 50yrd -> ∞
Reticle Position:First Focal Plane
Field of View:Field of View @ 3.2x: 25.25' @ 100yrds
Field of View @ 17x: 8.03' @ 100 yrds
Eye Relief:3.5" / 8.9cm
Illuminated Reticle:Single-button illumination control (integrated into the parallax adjustment knob)
Color: Red
Scope Finish:Aluminum, 6061-T6, Type III Hard Anodized, Matte Black


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