This is very good advice. I own a .300 Win Mag, and a .30-06, A .308 Win, a .338 Win Mag, A 9.3x62mm, and others. I have owned a .416 Rigby, .270 Win, lots of .223's and who knows what other calibers. You have to remember that the .300 is really the same as a .30-06 just 200 FSP faster. Let me...