I just finished working up a load with RL 19 and 130 ttsx, infact just finished loading them an hour ago for this hunting season. Just like the barnes manual shows it gave me good velocity, the best of all the powders I experimented with, and the accuracy is very good. Save the 4064 for some plinking loads with cheaper bullets perhaps, I used it in a 7 mag I used to have and it was very accurate with a 140 sierra, just not very high velocity that's all.