One of the changes made to the design was to leave the vertical line thin and let it continue down to 40 MOA. From 30-40 would have 1 MOA subtents and then at 40 MOA there would be an additional line that extends 10MOA to the right. This would give the shooter a 10 MOA by 10 MOA scale to use for ranging purposes.
For example a man that is 72" tall reads 8 MOA. The formula for ranging in MOA would be:
size of target x 100 / MOA read
72"x100=7200/8MOA = 900 yds
If he reads 14 MOA then 72x100=7200/14MOA = 514 yds
and if he has a total of 30 moa then 72x100=7200/30MOA = 240 yds
I personally think the formula is simple. Add 2 zero's to the size of the target and divide that by the MOA read and you have the yardage.
example 1 = 900 yds - my gun asks for 28 MOA for 900 yds. I can dial in the 28 MOA or just put the 28 MOA hash mark on the target and execute the shot.
example 2 = 514 yds - my gun wants 11 MOA for that range. I put the 10 MOA mark on top of the target and 12 MOA mark on the bottom and squeeze the trigger.
example 3 = 240 yds. My gun wants 2.6 MOA here. I put the 2 on top side of the target and 3 on the bottom side, centering my target between the 2 hash marks and make the shot. I have just ranged and engaged 3 targets and never dialed any elevation. I think the system is great!