Originally Posted by
vabyrd
By only sizing the neck, the cartridge will essentially only fit the gun it was shot out of, right? Which is a good thing, kinda like fire forming? Or am I way off? I've only ever loaded pistolas...and bitched and pissed about reloading for rifles. Now I'm eating my words....pass the mustard please.
Correct. Good for the brass, good for the accuacy, good for the velocity spreads, there really isn't too many negatives by neck sizing. Only gotcha is before hunting, just make sure the rounds chamber correctly.
RCBS neck sizers however can cause runout. When you drag the expander ball thru the neck, the case is not supported and the neck has no reference. If the neck thickness varies (which most do), it will cause the runout to get even worse.
Lee does not make too many decent items. But thier collet die is about as useful as it gets. I wish they made it out of better metal. The design is sound, but typical lee crap pot metal. Size some nickel and watch how it scratches the mandrel.