I used the 30.06 (180 grain bullets) from about 1993 to 2008 and probably took 20 deer or more with it. In 2009 I started using a 7MM Magnum (156 grain to 162 grain bullets) and probably have taken about 13 deer with it.
To tell you the truth I have not see much difference between the two on the deer kills out to 100 yards. The 30.06 is more than enough for deer, I am thinking about going back to it since I own about 4 of them at this time. I suppose a man goes through certain phases as far as which cartridge to use on deer.
