Well... first off, because of the design of the case, you will NEVER have to bump the shoulders of a .220 Swift, so forget that.
I use bushing sizing dies for most of my rifles, but I only have one that needs neck turning.
The bushing die allows minimum neck sizing, without using an expander (I remove the expander in ALL my sizing dies!).
The FL bushing die will have the added alignment of the body being held in alignment while the bushing is sizing the neck - if you use this type of die, set it up so that it just touches the body at the top of the ram stroke, and then set the bushing depth to size just the amount of the neck that the bottom of the bullet goes to... if the bullet seats half way into the neck, then size half of the neck.
The less you size with the body size the better... and that's not just the Swift, but ANY cartridge.
If you get the Bushing Neck sizing die, keep in mind that no part of the die touches the body, only the neck touches the bushing... so you have to watch neck run-out if you are fussy.
For your use, I would suggest the FL bushing die, set up as I explained - it will give you the best finished case.
Pick a bushing that is ~0.003" smaller that the loaded neck dia ~0.249" to 0.250" is usually what I use on 22 centerfires.
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