All my life I've heard people say sight in at XX yards and you are dead on at 100...

What is so hard about getting on paper at XX yards and then verifying at different ranges???

I simply don't trust taking short cuts...I've always shot my guns at different ranges so when I get a shot in the field I know where my gun is hitting...

Now, my opinion is if you are dead on at 100 yards then you are going to be about an inch high at 50 and dang close to dead on at 25...