Anyone have trouble with 300 win mag. cartridges being too long in a 77 ruger. I had some trouble with 180gr. Federal factory rounds. Now I am trying to reload Nosler 180gr. accubonds, and the manual says not to seat bullets to 3.340" as they will be too deep. I tried some and 3.345" will barely clear. Anyone with any experience or information on this matter? I will appreciate the help. Thanks.