Milliradian
Unit of angle
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A milliradian is an SI derived unit for angular measurement which is defined as a thousandth of a radian. Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel. Wikipedia
degrees: 9/50π ≈ 0.057296°
gons: 1/5π ≈ 0.063662g
Named after: The metric prefix milli- (from Latin mille meaning "one thousand") and the radian
radians: 1/1000 rad