If you already have a 270WSM there is no need to have the 6.5 PRC. I have a 270 win mag and a 6.5 PRC and know I am doubling up, but I wanted the 12lb rifle and ability to adjust my trigger down to 4 ounces.
I also have a couple of 6.5 Creedmoors. I have shot the 6mm Creedmoor and they would...