If the ball will pass, the wads will also, without damage. It almost sounds as if the left is jug-choked.

All you have to do for a roll crimp, is to bring the ball's height up a bit higher than for a star crimp. The wad column dictates what crimp to use.

Unique is a bit faster than Herco, but not much. I'll look up some loads in my data and e-mail you, Martin.

Do you have AA hulls? If not, what make of American hull can you get.