Just worked up a load for the 7-30 Waters using 139gr Barnes LRX bullets.
Using a 24" MGM barrel.
Starting load 34.0gr CFE-223 Average Vol. 2400 fps
Max load 39.0 gr CFE-223 Average Vol. 2800 fps
Trim length 2.03" OCL 3.08" which was .010 from the rifling on my barrel.
5 shot strings averaged less than .5 inches at 100 yards...