hey guys i am trying to figure out at what depth my bullet is hitting the lands and from what im getting, im on the lands at 2.615, i want to be .10 off the lands so that brings me to 2.605 ish. does this sound right? the hornady book and many others call for col at 2.640. im using the fired case and bullet method and im getting consistant results at about 2.614-2.616. someone please help me out. i dont know if this helps but its a 9.25 twist and im using sierra 85gr. hpbt.