I run a 24" Bartlein in 6.5x47, 123 SMK's, Varget, Wolf Primers, Thunderbeast 30p1, and I am at 2970 with room to spare. I'd expect 10-30 FPS difference to go 20-22".
Easily, the most accurate rifle I've ever owned, and the recoil with the suppressor is like a .22 long rifle. Love it.
