U.S. Optics 1.8-10x42 B-10 34mm Riflescope

U.S. Optics 1.8-10x42 B-10 34mm Riflescope

Matte, MOA Scale Type 1, EREK 2 1/4 IPHY Elv, US#5 1/4 IPHY

Stock# USOB10MOA UPC 811069021123
U.S. Optics


  • Matte Black Type III Hard Anodizing
  • Illuminated MOA Scale Type 1 (Red)
  • 34mm
  • EREK 2 1/4 IPHY Elevation Knob
  • US#5 1/4 IPHY Windage Knob
  • Side Focus
  • Rapid Focus Eyepiece
  • First Focal Plane


The new B -Series of optics are the most feature packed optics on the market. While the B-10 retains the the popular 1.8-10x magnification range today’s professionals are asking for, the similarities stop there. These new optics now have locking elevation and windage knobs, zero stop, revolution counter, tool-less elevation zero and a single button illumination control which has been integrated into the parallax adjustment knob. All this and still the same durability, reliability and performance U.S. Optics is known for.

MOA Scale Type 1: This reticle was designed to be a simple MOA reticle that allows for precise hold over shots and ranging. Each hash mark is 2 MOA with numbering every 10 MOA for reference. A total of 40 MOA on the vertical axis below the center, and a total of 30 MOA on each side of center on the horizontal axis.

U.S. Optics 1.8-10x42 B-10 34mm Riflescope
Brand:U.S. Optics
Objective Lens Diameter (mm):42
Objective Lens Diameter (in):1.65
Ocular Lens Diameter (in):1.40
Ocular Lens Diameter (mm):35
Exit Pupil (mm):2
Diopter (dpt):+2 to -3
Parallax Adjustment (yds):30 - ∞
Field of View @ 100 yds (ft):36 - 11.3
Eye Relief (in):3.25
Eye Relief (mm):89
Objective Lens Housing Diameter (in):2
Objective Lens Housing Diameter (mm):50.8
Tube Diameter (in):1.33
Tube Diameter (mm):34
Overall Length (in):12.98
Overall Length (mm):329.6
Weight (oz):29.3
Weight (kg):.822
Reticle Illumination:Red
Battery:Lithium Coin, CR2032
Battery Runtime (hours):Up to 8,000
Material:Aluminum, 6061-T6
Finish Color:Matte Black
Elevation Knob:1/4 IPHY EREK 2
Total Elevation Travel:165+
Windage Knob:US#5, 1/4 IPHY
Windage Adjustment Range:17L / 17R
Reticle:MOA Scale Type 1

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