I personally think the 50yard zero is best, thought process here is:
based off Derek's chart's,
with a 25yd zero at 0yards, you have to hold over an inch and a half (not like anyone is gonna be doing much shooting right on top of someone but that's not the point) and at 200yards, your going to be holding under around 3 and a half inches from where you want your impact to hit. with a maximum of almost 4 inches under where you want your round to hit. While one will be able to hit a target at 300yards with no change in aiming height, there's still a margin of 5 inches of change that one will have to figure out distance from barrel to target, adjust height and engage. While some of you are thinking, oh well it's just 5 inches, cant be that big of a deal. 5 inches is the difference of hitting a target between the eyes and missing their head completely. or hitting the center of the heart and hitting the stomach. In a fight your just gonna see that red dot, put that on the target and shoot, and with a 25 yard zero, there's a chance (if your aiming at a vital spot) that you may not get the kill.
With the 50 yard zero, shooting at 0yards, you have to hold over and inch and a half (same as the 25yard zero) and at 200 yards, your still only going to be holding over about an inch and a half. with the max hold under of half an inch at 100yards. well between 0 and 200yards, you have a max span of about 2inches which in my personal [not extremely experienced] opinion, is a much more acceptable grouping than 5inches, where you can still kill while aiming for the heart or eyes.
Think of it like this, your the OPFOR and engaging the enemy (a good guy) pick a point on your body and pretend that's where the dot of the good guy's aimpoint is, now assume the good guy did a 25yard zero and his aimpoint is where the point is. and at various distances, add quarters whether above or below the point is.
i.e. 2 quarters on top of the point for 65 yards, 4 quarters on top for 155. and this will be the point of impact for that distance.
now take that same scenario, and swap out the 25 yard zero with a 50 yard zero and 100 yard zero and do the same thing for various distances. the goal is to have the least amount of quarters from the point of impact as possible to retain the most amount of accuracy and least amount of hold over/under for the various distances.
but that's just a different way of looking at it. whether it makes sense or not is questionable.
That being said I had to zero my aimpoint at 25yards due to range rules (what?)
Last edited by Garrasa; 07-20-09 at 21:47.
"Certainly there is no hunting like the hunting of man and those who have hunted armed men long enough and liked it, never really care for anything else thereafter."
-Ernest Hemingway
Bookmarks