Originally Posted by Unclenick
Agree with going to a slower powder. Fast powders maximize pressure for the velocity delivered. But to answer your question on general principles, for a given velocity you want to use more powder rather than shorter COL if you want to minimize pressure needed to get there.
I thought that the longer OAL would be the lowest pressure route to get to a specific velocity which is why I started much longer than the 1.125" in the load data I found. Thanks for confirming!