I have never used W760 in a standard 22-250Remington? But a lot of people claim that it is the same powder as H414, which is what I use in my 22-250 Ackley. I certainly do not claim that it is interchangable, but they show similiar. I think it would perform better with 60 grain bullets?
However, I have used W760 in my 25'06Ackley, and believe it is suitable, if not perfect. About the same as H4831, The only knock I hear is that it is not temperature stable, if that is important to you? What's perfect? Might not be perfect, in every case, from an accuracy standpoint, but R-22 yields higher velocities in 25'06, assuming 100/120 grain bullets.
Good hunting. LB