Originally Posted by Garagefairy
I use a 4-16 model. I have never woried about whether or not the dots are 'true' or not. I zero at my selected range then simply produce a chart of aim points for different ranges. The actual points agree well with those given by Chairgun except at close range (8 - 10 yds) when the actual and Chairgun predictions differ a little.
Yer its ok now, as i downloaded and printed out those Brian Samson range cards, and put them out at chosen ranges, i then matched my scopes mil dots up to the ones printed out, and they matched up at 10x mag, i can now match them up to my bracket card to work out my ranges now.