Well I put 50 together, 250 rnfp over 5 grains of clays in mixed brass. Been a while since I loaded anything light without using trailboss. I'm getting down to no more cleaned brass to load so I figured instead of the trailboss I'd use clays, I've been told it's excellent for 45 colt so I got a pound last year because it was inexpensive and I knew I'd use it for something. I was going to make a ladder of rounds but I figured i'd just go right in the middle between maximum and minimum of standard charges and see how they do. Unusual powder that doesn't meter well through my dispenser so I just used a dipper onto my scale, not too much wasted time- since it was only 50.
Anyway, thanks for the knowledge guys! I feel like I can always count on the wisdom and experience of my internet shootin' buddies on THR.