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#6558376 - 11/25/16 12:42 PM Neck sizing
DLALLDER Online   content
Veteran Tracker

Registered: 11/23/05
Posts: 3251
Loc: Pittsburg, Texas
Need a guru to answer a question, can I use a 7x57 AI neck sizing die to neck size standard 7x57? Thanks

#6558450 - 11/25/16 01:57 PM Re: Neck sizing [Re: DLALLDER]
Ritter Offline

Registered: 02/15/09
Posts: 286
Loc: Southern Oklahoma
Yes and no. An Ackely Improved round has the shoulder moved back just a hair further than a standard round. This allows the brass to have a slight crush fit and headspace off the neck and shoulder junction when fire forming brass. As long as you take this into account and adjust the die to not bump the shoulder and neck junction you can use a A.I. die as a neck size die.

Edited by Ritter (11/25/16 03:41 PM)


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