First of all, I know this is a can of worms...But I am having a difficult time making a decision so I am asking for some opinions...
I am hunting elk this year in Colorado (New to elk, not to hunting). The area I am hunting is very familiar to me and should present shots in the range of 75 to 300 yards on several animals over the course of 6 days. (1st season, oct 10-15, mix of steep open slopes and deep timber, and a lot of elevation change within each quarter mile...10300 to 12000') I own three rifles, a tikka T3 in 30-06, a Ruger M77 in 7mm rem mag, and a custom 338 win mag. I can produce range groups of 1-2" with any of the three using 180 grain remington corelokt (220 for the 338). The tikka is obviously the easiest to carry, due to weight, and has the cheapest ammo, the 7 is dependable but heavy and the 338 is a bit rough on the shoulder as well as heavy. (the 7 weighs about 10 and the 338 about 9.5, compared to 6.5 for the tikka). I have hunted deer for many years using the the 7 and been very happy, the tikka is new and the 338 was built for Kodiak island bear. I am packing in (on foot) about 5-7 miles so weight is pushing me towards the 30-06 ( I expect to be hiking about 2-4 miles a day).
I have three questions...
1> With solid 1-2" shot groups at the range, is there any reason to switch to a "premium bullet" vs. PSP Core-lokt remingtons? (I zero at 200 yds and can get these groupings at 300 consistantly with any of the three rifles)
2> Given the above scenarios, which rifle would you carry and why?
3> What elevation would you expect to find the most animals at during the early season.
Any other tips, advice, or opinions are certainly welcome...
Thanks 

