The best way to learn is to ask, Gentleman,I have shot 30 cal. Rifles all my life and love them.I live in the south and hunt mostly in Fl.,Ga. And Alabama.For the last 8 years I have used a300 wsm (150 gr.) with kills of 400 to 600 yards every year, I shoot a Tikka T3/w a Ziess Conquest. I am...