Re: 6.5 WSM data
Matt, reloadersnest.com has a load listed with 70 grains of Retumbo under a 140gr Barnes for 3135fps. You might drop that by about 10% to start with. I know it ain't much but maybe it'll help. My gunsmith built himself a 6.5WSM last year and he really likes it. I'm not sure what powder he uses but he shoots 130gr bullets to almost 3300fps. I'll try to come up with some more info for you in a day or two.
NRA Life Member