A gunsmith here in NE TN named George Harrell back in the 80s was a HUGE 6-06 guy and was known for making rifles in that caliber, I shot a 25/06 back then and used to get taken on groundhog hunts with his crew when I was a young un. He used probably 75gr or lighter bullets at what had to have been a ridiculous fps and I vividly remember being a kid watching groundhogs on dairy farms literally evaporate through the spotting scope when he hit them. That caliber is brutal on varmints (as well as barrels lol).