Thread: Shell holders

Lee shellholders are quite a bit thicker and won't work with my Lyman hand priming tool. Lyman shellholders work fine in my Hornady press.

I would stick with RCBS though all shell holders are interchangeable the primer holes in some are of a different shape and size
as you are priming with the press you could have issues with other brands you only buy a few shell holders to cover a range
of cartridges the 284 uses the same holder as the .308 30/06 family of cartridges I prefer the RCBS over the others for some reason.