"Shoot a lot of long range practical rifle matches and precision rifle matches. They will make you a better hunter"
NOPE not even close! It will make you a better shot not a better hunter. The ability to find game and advance to a comfortable distance to take a shot whether it be with a LR rifle, bow or pistol is where the hunting skills are manifested.
Being able to hit stuff at that range is the mark of a good shot whatever the distance is deemed to be for that hunter. We see many great shots on the range who are lousy hunters.
