Im not going to be loading true match grade ammo using my RCBS rock chucker and a set of Lee precision dies..
It is not ideal, I have loaded many round on that very setup and that ammo won FTR matches at 600 yards.
Rock Chucker presses are very consistent, they have very little runout. Is it the same quality as my Präzipress? No, it is about a 1/5 of the cost and the quality of the ammo does NOT reflect the price difference.
Their is as much Vudoo as science when it comes to reloading in some people's rituals. It's like anything else you just have to be consistent in your processes if you want consistent results.
Neck tension is a big factor for consistent results.