First thing take the money you will spend on rifle and buy some tires! Hah! On serious note just my opinion, 300 win mag all day every day. Far more versatile, easily harvests elk. And can be “downloaded” for white tail. In addition there is a plethora of ammunition options. And as far as being a leftie that is really not that big of deal anymore most all manufacturers make left bolt guns. I shoot leftie as do our boy and several grandsons. There is no shortage of left handed bolt guns especially in 300 win mag. Just depends on your budget, Nighthawk/Cooper rifles left hand bolt comes immediately to mind, or a Tikka, a Browning, a Remington, a Winchester? Hit gun broker dot com and put in LH bolt action in search profile. Good luck!