RCBS Universal gets my vote. Works great and no shellholders required.
Works great, I have an old Lee hand primer that was really hard on my now somewhat arthritic hands.
The RCBS Universal has much better ergonomic (it may be sold under other names a well
I prefer to hand seat for the better feel comfort of getting it right (just can't feel it on a progressive or a single press).
I got one each for small base and large base. Easy enough to switch but even better not to have to think about it (true a bit of a luxury but well worth it)
I load large rifle with it and huge improvement.