View Full Version : POI relative to POA @100 yd for 200 yd zero?

April 28, 2002, 22:08
Appx how high should I be hitting at 100 yards to equal zero (POA=POI) at 200 yards?

April 28, 2002, 22:57
Yeah, what he said. I need to know this too.

April 28, 2002, 23:21
Approximately 1 1/2 to 2 inches high, depending on ammo variations and barrel length.

Below is a link to the Norma Ballistics calculator. You can plug in the parameters and get all kinds of data.

Norma Ballistics Page (http://www.norma.cc/htm_files/javapagee.htm)

April 29, 2002, 11:33
The normal rule of thumb for a rifleman is to zero at 25 meters/yards... given average velocity factors your zero SHOULD be good at 200! ;)
Therefore, if 25 and 200 are the same you should be high at 100 so hold-off down slightly and check your zero point on a 100 range.
Actually, aiming 'on target' at 100 will show you how high you are and you can compensate accordingly. The same would hold true of 300 only your shot would hit LOW. ;)
So... zero at 25 and you're set for 200 then hold-off proper amount more 100 or 300. A shot for more distance will have similar hold-off characteristics.
It has been some time since I had to hold-off on a 500 shot but as I remember it... :p putting the horizontal bar of my scope on top of his head netted a gut shot and hold-off about a head high over his head was a chest shot.
Results may vary with trigger squeeze and breath control but it should get you ballpark. :D

-=[ Shadow Walker ]=-

April 29, 2002, 11:36
Our Evil Moderator has addressed this issue before. I believe if you zero at 25 Meters you are good at 200 meters and will be 4 cm high (1 1/2inches?)at 100 yards.

April 29, 2002, 13:50