getting ready to work up my new 6brx. gun is a mike davis trued rem 700, 28in krieger 8tw, tm stockworks bedded st 1000. looking to shoot to 600 yds mostly for pleasure and maybe a groundhog style competion. with so many different styles from 105gr and up, vld smk, hybrid ect. im confused on what to get first. i do not want to buy every style or shoot 2000 rounds looking for a load that shoots. opinions please. i think mike used the .104 freebore on the chamber cut.