Aut cum scuto aut in scuto
My guess would be 6.5 Creedmoor loaded with Hornady ELD's.
Love my 224 Valkyrie with 80 ELDs, but a 6.5 Creed is on my wish list
150 grain AMAX, 43.8 grains of Varget in my Shilen barreled 30.06. And they say 30.06 is dead, meh.