The above two targets are used to get a good zero for your typical bolt action hunting rifle You'll probably want to run your own ballistics, but a good place to start is to adjust the scope to land your group about 2 inches to 21/2 inches above the point of aim when sightingin at 100 yards Zeroing at 25 meter, 36 yard, and 50 yard is only to get you on paper and close to where you should be shooting at 300 meters, 300 yards, and 0 yards respectively You will still need to confirm and refine your BZO at those appropriate distances Now let's look at external ballistics and trajectory of the various recommended BZOs The thing I like about the 300 yard zero is you can pretty much hold center of mass/target at 25, 50, 100, 0 and 300 and your gonna be within inches Click to expand With a 36 yard zero, you should have approximately a 5 inch spread from yards But to be accurate, you need to shoot at 300 yards to verify your zero How To Zero A Rifle Scope Moa And Mil Range Often 50/20