It was by ar the best in the .22-250 with the 55 Nosler. Typcally he accuracy was five shots at 100 yards about 5/8". The velocity averaged 3,775 feet per second.
It is the powder of choice for my .375-.416 Rem with 265 G.S. Customs at 3,055, 260 Noslers at 3,000 or 270 TSXs at 2,950. Depending on which bullet and how I am doing that day the groups range from a best of 1/16" at 100 yards with the G.S. Customs to 1 1/2" at 100 with the TSXs. I shot three groups the other day with the Noslers at 300 yards. Two of the groups were 3 3/8" and one was 3 5/8".
