To set your dies up correctly you really need a set of bump gauges. Measure a factory case that was fired from that rifle, then set your dies so that you are bumping the shoulder back .002"-.004". Any more than that is over working the brass and any less can cause issues in a dirty rifle. Instructions that come with dies are a shot in the dark, you have no way of knowing how much you are sizing your brass without the right tools.
If you don't already have them, all reloaders need a good set of calipers, a set of bump gauges (hornady or sinclair), and a OAL gauge (hornady). Without these tools you are just guessing.
