Hi Folks, I don't want to throw the money at a failed experiment, but quickload says a 308 should be able to get a 250gr A Tip to 2400fps. At that speed Applied Ballistics says 5.25 minutes drift in a 10mph win at 1000 yards. Very impressive figures for a 308 - pretty well as good as any F Open cartridge. Recoil would be high, torque unparalleled and cost very high, but if you had deep pockets and could tame the beast you'd be a quantum leap ahead of the competition on a windy day... Anyone game to try it?