These are just the sub 30 cals you can run with that are factory loaded and will feed in that action..
22 BR
22-250
6mm br
6mm creed
6.5 x 47
243 Win
6MM REM
250 SAVAGE
260 REM
6.5 CREED
7MM-08
Yup, and ackley variants thereof, and anything based on the .284 winchester.
To the op, what use will the rifle see?
I'd lean towards a 6mm with a fast enough twist to stabalize vld 105's. Great long range bullet, mild on the shoulder.