I just started on a new barrel with it. Really like it.
Start at 52 and work up. Went to 55.5 before I hit pressure but 54.5 is the sweet spot with 140 gr Hybrids.
3150 out of a 30 in. Bartlien with a ultra 7 on the end. Same speed I was getting with N560 but alot cleaner and cheaper.