Elk can be killed with just about any cartridge. I encourage people to use whatever they like. Most of the time I carry my 7mm-08 and know that it is plenty of gun(has killed a few elk).

However, there ARE times that I feel undergunned with the 7mm-08 and that is when I'm in an area with lot's of bear(Ursus arctos horribilis). At those times my 7mm-08 is replaced with my 9.3x62. Maybe I'm kidding myself but I FEEL a whole lot safer with the mauser in my hands.