I tried in no particular order...N160/N560/H4831SC/Superformance/H4350/Reloder 23/Reloder 17 and settled on Reloder26.
Dee Reloder 23 shot great but got sticky bolt as I approached 3400fps with 80gr
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."
Jack O'Connor 1963