Re: 300 RUM or 338 EDGE
My vote goes to the 338. You wouldnt think there would be much better barrel life but it is conciderably better. The 338 has less wind drift, more energy, longer life.
The 300 RUM was the rage and craze when it first came out. I fell for it twice. The 338 Edge is everything the 300 RUM was suppose to be only even better. The only thing it lacks that the 300 has is a lazer like trajectory. Who cares?? Thats why there are laser range finders.
Long range shooting is a process that ends with a result. Once you start to focus on the result (where the shot goes, how big the group is, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.