With sane and similar pressures and barrel lengths about 150 fps day in and day out.

25/06 AI with 26" = 3450

257 Wby with 26"= 3600

Anyone running either mucho more than that is running a tish bit in the red...grin

Dober

"True respect starts with the way you treat others, and it is earned over a lifetime of demonstrating kindness, honor and dignity"....Tony Dungy