Haven't used the .270 on elk, but have used it on a LOT of deer and hogs (up to 400 pounds). In my experience, the one semi-failing of the .270 Win. is a lack of penetration on really close in shots when using the 130 grain bullets. Just a little too much expansion at times.
Once I stepped up to the 150 grain bullets, that problem disappeared (except for flukes which can occur with ANY round.) To me, the .270 (with 150 grain bullets) performs almost exactly as does the .30-06 with 165-180 grain bullets. THAT round has been an elk killing standard for years......so the .270 with 150 grain Hornady's should be great on any but an extreem angled shot ffrom the rear.
