I have a load that shoots sub .5 MOA groups when I do my job. It is a 30-06 from Darrell Holland on his action (essentially a Borden) with a 24" barrel. The only load I have used so far is for Nosler BT 180gr for deer. I am going cow elk hunting in August and want a more controlled expansion bullet. I am likely going with a ABLR 190gr. As far as seating depth, should I start with the same CBTO as the BT? Or start somewhere else? Thanks in advance.