mine used to... then things just started going down hill... no amount of messing with it seemed to improve anything, I admit I am not the best tinkerer. But at the end of the day it was inevitable that a Dillon would be on the horizon sooner or later,
when that has happened to mine in the past, a 12$ part is what fixed it... the slider inside the primer trough got boogered up, new one had it priming like a champ