Quote Originally Posted by Great-Kazoo View Post
It is a single stage. Just happens to have a rotating shell plate and places for 3 dies & powder fulle / drop. AND yes, you can do precision loading with the 550. Look at 1 in person before dismissing it. For the price point it's a life time investment, that pays off after the first 100 or so rounds. YMMV.
4 station progressive loader
Station 1) resize/deprime/prime
Station 2) powder drop/flare
Station 3) seat
Station 4) crimp

This is what is confusing me. I know there is a difference between single, turret, and progressive. The 550b looks like a turret that you can make into a progressive. Is that what I understand?