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I don't mind the jump-ons.......
I use the Lee factory crimp die on my .270 Win. (launched via a Model 700) I don't see much diff in accuracy, crimp and no crimp, as I don't crimp my match loads. I do know of heavy slugs moving in cases that may have a loose neck...in autos. The 240gr Match King comes to mind.
I seated a couple of 180gr Hornadys in my brass and they go in pretty tight. Tighter than my .270s. I use .223 military brass and the necks are formed down after cutting the case to 1.40" or so (final trim of 1.35"). I keep the expander pin in regardless because I think it makes a more uniform neck shape. My seated neck diameter is .330". I don't have the crimp die yet so I don't have the crimped measurement. If its diff that is. I ordered it today.
What were we talking about again?
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