Pierre van der Walt, referencing the A-Square manual, shows a starting load of 128 grains of IMR 4831. The top load with IMR 4831 was 132 grains with a top speed of 2257 out of a 26 inch barrel.This was with 525 grain bullets of A-Square manufacture.

When I am dealing with softs and solids in a rifle, I employ two seaters, one for the soft, and one for the solid, and so marked. I use a Lee factory crimp die to finish the process.