I run an Alamo setup like yours same barrel. I use the 156's, ADG brass 210M primers, N560 59.0 grains 3,108' 0.010" OL. 5 Shot group shown. Yes it's fast and I used the higher node. Verified it at 1,000 yards this past week aslo. Still held 0.5 moa at 1000 yards.