I know some of you may not like this cartridge for various reasons but I have shot the 300RUM for the lase 5 years and have been reloading for it for the last year and I absolutly love it. It is worth looking into. Shoots a 180gr bullet faster than a 270 130gr, better trajectory than a 338, and has amazing knock down power out past 500 yards if you can make that kind of shot. I shoot it out of a REM XCR RMEF, use a 165gr nosler accubond, and RL25. Average 5 shot group @ 100 yards is about 1". The gun is also very accurate with 180gr scirrico swift factory loads. This gun is an absolute canon. Will kill anything on this continent and dare I go so far to say the world if used properly. Only draw back is the kick. although after reading some of the posts, most of the calibers mentioned will also have a noticable amount of recoil. The 300RUM in my experience is very similar to the 7mmSTW just with a little more knock down power. In my opinion this would make a fantastic elk gun.
Here is some info on the ballistics.
180 Sciroco Rem- 3250fps @ muzzel, 4221ftp,Zeroed @ 100yds-500yards:.....-2.2 -8.8 -20.2 -37.1
165 Accubond 3350fps @ muzzel, 4110ftp, 1in @ 100yds-500:...... +1.0 -5.2 -15.3 -31.2
Compared to the 7mm STW
7mm STW 160 sra gk Fed- 3200fps 3638ftp, Zeroed @ 100yards..... -2.3 -8.9 -20.3 -37.1
Good luck in your search. Hope this helps some.