I use this resource alot for comparing comparable powders between brands...
http://www.reloadbench.com/burn.html
Fudmottin:
I'd like to hear how that load works out. From a mock up of that round to reach those speeds you will be at 100% powder capacity. Given that you will only reach ~80% burn rate it may be asking alot to control muzzleflash or contain in a suppressor.