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US Optics 1.8-10x40 .1mrad GAP B-10 GAP


GAP MIL Scale reticle with .1MRAD adjustments.

US Optics 1.8-10x40 .1mrad GAP B-10 GAP


GAP MIL Scale reticle with .1MRAD adjustments.

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Your Price $1,580.07
iconThis item ships for free Offer valid within continental United States. Excludes firearms & ammunition.


This B-10 optic features the GAP MIL Scale reticle. The GAP MIL Scale reticle has both MIL and 1/2 MIL increment lines. It has a total of 9 MILS down and 4 MILS up on the vertical axis and 4 MILS to the left and right on 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.

The new B-10 optics have these popular features.


  • Locking elevation and windage knobs
  • Zero-stop
  • Revolution counter
  • Tool-less elevation zero
  • 2 mm Exit Pupil Diameter
  • +2 to -3 Diopter
  • 2” / 50.80 mm Objective Lens Housing Diameter
  • 1.40” / 35 mm Ocular Lens Diameter
  • Lithium Coin battery (CR2032); runtime up to 8,000 Hours

The B-10 optics also have all the same durability, reliability, and performance that US Optics is known for.


  • Item ConditionNew
  • Scope Weight:29.3 oz / 0.822 kg
  • Scope Length:12.98” / 329.6 mm Overall Length
  • Magnification Range:1.8x - 10x magnification
  • Scope Objective Diameter:1.65” / 42 mm Objective Lens Diameter
  • Scope Tube Size / Mount:1.33” / 34 mm Tube Diameter
  • Scope Turret Adjustment:.1 Mrad
    Total Elevation: 48 Mrad
    Total Windage: 5 Mrad L/5 Mrad R (once limiter is set)
  • Parallax Adjustment:Side Focus Parallax 30 yds->∞
  • Reticle Position:First Focal Plane
  • Field of View:Field of View @ 1.8x: 36’ @ 100 yards
    Field of View @ 10x: 11.3’ @ 100 yards
  • Eye Relief:3.25” / 8.9 cm Eye Relief
  • Illuminated Reticle:Single-button illumination control (integrated into the parallax adjustment knob)
    Color: Red
  • Scope Finish:Aluminum, 6061-T6, anodized black
  • UPC811069020720
  • MPNB-10 GAP


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