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Old February 15, 2013, 10:05 PM   #3
Join Date: September 4, 2010
Location: Woodstock, GA
Posts: 87
No such thing as a stupid question

I am shocked that all of the engineers and mathematicians have gone to bed early tonight and have not answered your question. Having spent over 20 years in the US Air Force dropping bombs using a sight calibrated in milliradians (Mils), I will try to answer your question as best I can. My assumption is that MRAD stands for milliradians.

In Fighter Pilot 101, I learned a long time ago that a radian is approximately equal to 57.2958 degrees. I thought who cares, what does that mean to me, what time does the bar open?

The basic Fighter Pilot ROT (rule of thumb) is that one milliradian equals 1 inch at 1000 inches. I am sure that some German mathematician would correct me and state that 1 milliradian equals 1 meter at 1000 meters.

So, assuming my ROT is correct, that 1 mil = 1 inch at 1000 inches, then 1 MRAD adjustment would be 1 inch at 27.28 yards. Therefore, .1 MRAD adjustment would equal .1 inches at 27.28yards, or .36 inches at 100 yards.

Since 1 MOA equals 1 inch at 100 yards, 1/4 MOA adjustment (or .25 inches) would be a smaller (and better) increment than .1 MRAD (or .36 inches ).

Am I making sense? If so, please notify my wife. She says I have not made sense in over 25 years.

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