What he said. I shoot a fair amount of F Class and use different rifles for different purposes. FTR I use a Savage LRPV in 223 with a 1:7 twist throated to handle 90 grain Bergers. F Open, I started with a Savage Model 12 LRP in 6.5 Creedmoor. Now shooting a accurized Remington 700 with an F...