Precision

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What are Milliradians, or MILS?

MILS/MRAD

MILs, or Milliradians, are a unit of measurement dividing radians in a circle. A radian is equal to 57.3 degrees, with 6.2832 (π x 2) radians in a circle.

There are 1000 Milliradians in 1 radian, and therefore 6,283 Milliradians (or Mils) in a circle. Thus, 1 Mil at 100 yards is equal to 10 centimeters, or 3.6" inches.

A mil is so large, it's usually broken into tenths in order to make precise adjustments.So 1 mil equals 1 yard at 1,000 yards, and 1 meter at 1,000 meters. It doesn't matter if you use metric or U.S. Scale, and that's its beauty. Milliradian scopes are often adjustable by 1/10th (0.1) Mil increments.

At 100 yards, a 0.1 mil click is 0.36 inch, and a full mil is 3.6 inches (Practically speaking, 1⁄10 of a mil equals 1 centimeter at 100 meters). MILs, like MOA, is an angular measure, and the length it represents, increases proportionally with distance. For example, 1 mil at 100 yards equals 3.6 inches, and 7.2 inches at 200 yards.

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