Did anyone here ever use the .308" accelerator sabots from E. Aurthur Brown Co.? Just wondering what kind of accuracy can be expected (I just bought some), and also what powder you are using and how much. I will be loading for a .30-06 and a .308 Win. I'm using the 55gr. V-Max as the saboted bullet. They recommend IMR 3031 for the .30-06, but I was wondering if anyone has substituted another powder, as I don't have any 3031. I was gonna try working up a load with IMR 4064. Also any hints, tips, or tricks you could add would be appreciated.