That’s the same thing I was thinking.What are you trying to achieve by switching cartridges?
Check the ballistics and the 6.5 PRC compared to your .270. You will find they are very similar. You will gain nothing but a lighter pocket.
I have been working with a couple of PRCs and this is the conclusion I have come toMy 270 easily outperforms my Tikka 6.5PRC (will be sold soon).