Thanks for the input. If you have more, keep it coming.

I agree that Andy seems to be the expert, but you all seem to be an expert in my book. I have been contempleting this switch for years, but have never committed.

I was under the impression that a .54 was just too much. In the in-line ML I am having a hard time even finding much in .54. I am thinking of ML for elk first then maybe going for deer and bear as well down the road. Should I stick to a .54 or with a good shot, is the 50 more than adequate.
Realizing it is all about knowing your rifle and where it shoots is the most important.
I have taken a 5pt bull out to 485.5 yards in 1 shot with my .308, because I know my gun, where it shoots, and how to shoot it.
I was told many times that a .308 was no good for elk. Tell that to the ones in my freezer and on my wall!