I am in the process of putting components together to build a 1,000yrd .284 Win. First time owning a .248 Win, may try my hand at some "F" class with it. I'll probably get a blank barrel from MasterPieceArms or Bartlien do the machining myself on the barrel and action , maybe a Jewel trigger and chassis stock. Reloading is becomining dificult with everything being out of stock. I have had good luck with RCBS Match Dies in the past. Anyone have suggestions on the best match dies out there?