Long Range Shooting Mathematics

Since most rifle ranges are spelled out in hundreds moa is very handy to understand and know.

Long range shooting mathematics.

After you ve sighted in your rifle at a suitable range set up a target at a much shorter range and find the distance at which your poi is again the same as your poa. My favorite long range varmint rifle is a 220 swift shooting 75 grain hornady amax bullets. 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. 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.

That bullet will drift 1 5 inches in a 1 mph wind at 460 yards. As long as the shooter sticks with 100 yard increments the math is pretty simple to do in your head. 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. Posted on july 16 2018 january 3 2019 by tom mchale.

Ballistic coefficient bullet math. Posted on june 15 2017 august 30 2017 by tom mchale. 1 4 inch at 100 yards. Long range shooting requires calibers that can shoot long distances maintain velocity and avoid deflection from the wind as much as possible.

With a 308 for example a rifle sighted in at 200 yards will hit right on at approximately 25 yards as well. Truth to be told 1 moa is not an exact inch though it s 1 047. For example the 308 168 gr. Moa scopes are often adjustable by 1 4 0 25 moa increments approx.

Optics also traditionally have magnification which can affect how you. Mils are generally used in long. Most precision shooting and most long range shooting is done with an optic. You will hear the term moa used a lot in long range shooting.

How magnification affects moa.