Long Range Shooting Mathematics

How magnification affects moa.

Long range shooting mathematics.

Since most rifle ranges are spelled out in hundreds moa is very handy to understand and know. That bullet will drift 1 5 inches in a 1 mph wind at 460 yards. For example the 308 168 gr. 1 4 inch at 100 yards.

Optics also traditionally have magnification which can affect how you. Most precision shooting and most long range shooting is done with an optic. My favorite long range big game load is a 300 remington ultra mag shooting a 180 grain bullet with a bc of 51 and a muzzle velocity of 3200 fps. As long as the shooter sticks with 100 yard increments the math is pretty simple to do in your head.

Truth to be told 1 moa is not an exact inch though it s 1 047. My favorite long range varmint rifle is a 220 swift shooting 75 grain hornady amax bullets. Posted on july 16 2018 january 3 2019 by tom mchale. Mathematics of shooting by.

With a 308 for example a rifle sighted in at 200 yards will hit right on at approximately 25 yards as well. So for long range hunting or target shooting we now know we need to choose a caliber that has a high bc and so the critical difference between target and hunting will be around the ability of the. Bthp match round will impact six inches lower at 500 yards when fired from a 20 inch barrel then when fired from a 24 inch barrel. While these velocity differences seem minimal at 100 yards there s almost no noticeable change in trajectory the effect becomes significant at long range.

You will hear the term moa used a lot in long range shooting. Mils are generally used in long. Moa mils and math the long range shooting guide part 2. Ballistic coefficient bullet math.

Moa scopes are often adjustable by 1 4 0 25 moa increments approx.