Bill, I have that mould. It is finely accurate within its velocity limitations. The very fast twist of the 6.5 Swedes limit it to about 1650 fps. Try 10 grains of Unique to start. Do NOT try driving it at high velocity. There are safe loads that will do it, but the bullets warp and are likely to go any where.
Run searches on 6.5 Oldfeller here and on AR to learn a lot more about that bullet.