I just finally upgraded to the K3 this year and love it. I killed and packed out 2 bull elk and a bighorn sheep with it this year. It might be a year or two before i can afford the next upgrade
I seem to find it here and there but the manufactures are all over the place. Its hard to stay consistent year to year with out reloading and I hate to waste my ammo resighting the rifle in every other box. That is probably the case with most calibers though.