The “mils” in a mil-dot scope refer to milliradians, which is a measurement of angle. If you picture a mil as an ice cream cone, with the tip originating at the shooter’s eye and an open end that gets ever wider the farther out it goes, you get the idea. So if the mouth of our imaginary cone is 1 mil in diameter, making it 3.6 inches across at 100 yards, it would grow to 36 inches at 1,000 yards.
Learning the principle behind mils (see illustrations), coupled with some homework on your part, can yield remarkable benefits to your shooting.
For instance, mils allow you to hold over (or hold off) a target without the need to adjust your scope turrets for elevation and windage. With a come-up at 375 yards of 15 clicks, for example, you can hold the crosshairs 1.5 mils high on the target for a direct hit.
It takes time, but once you master it, the mil-dot system is lethal and fast. [ Read Full Post ]