Quote Originally Posted by FLT View Post
I think you're mistaken about that . What is the source of your load data?
The burn rates are very close... look at IMR's burn rate chart. They are both billed as versatile powders with a wide range of applications. Of course specific load data should be consulted for specific loads.

Both have an established history with .308 loads.

http://www.imrpowder.com/burn-rate.html