Greg, you left the powder out, but from looking at the Reloaders Group it is 22.5 grs. Longshot.
You could drop the pressure down to 6700 psi if you used a Win. 209 primer and Remington SP16 wad. You would only loose 200 fps.

These are also in Lyman's 5th Edition.

The only problem I see in using Winchester primers is that they are .001 smaller in diameter and might be loose unless it is a new un-primed hull.

David