I have a .270. I want something a little bigger.
Just go with a quality 150gr bullet in your 270 Win. , like a Nosler Partition, or a 130gr TTSX Barnes (150gr TSX won't stabilize in a standard 1-10" barrel twist that most 270s have).
Inside three hundred yards you'll never tell the difference on game from the 30.06.
Not a lot to be gained from the 300 mag. at those ranges other than recoil, and if you don't practice enough to master shooting the 300 mag. you may actually get worse results from poor bullet placement.
If you didn't already have the 270, I would have said get an .06 .
Just my .02 cents - and I've been shooting a 300 Win. mag since the 1970s....................
Good luck
