Hey, give the 9.5's a try. I have developed some very accurate loads with these primers before and have several thousand of them on hand. If these or the 200's don't work, give the mag primers a "shot". I have used them in .22-250, .243 and .25-06 loads. You never know. JohnnyK.
P.S. Remember, with any component change, reduce powder charge and work up.