6.5s are great.
Right is a Nosler TGR in 26 Nosler - shot a goat with it. Great rifle and very accurate but the round rips the crap out of the meat.
Left is a 1925 Mexican Mauser in 6.5 X 55 Swede made by Jay Frazier with a Kahles scope. My wife made the sling when we forgot ours.