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Old June 21, 2012, 03:32 PM   #4
wncchester
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Join Date: December 1, 2002
Posts: 2,832
"... it doesn't appear that either length will allow for a full caliber length of bullet seating in .223"

Quite a few cases don't have caliber length necks. ???

Don't think SAAMI specs "trim-to" lengths. Modern loading books list an arbitrary trim-to at 10 thou less than max for those timid souls who fear making a decision on their own. Long before they started doing that I choose 5 thou less than max for myself, and that's what I still aim for, but I know I'm not going to blow anything up if I go shorter. (And I know exactly how long each of my chambers are so I also know how much longer I can go without blowing anything up.)

Last edited by wncchester; June 21, 2012 at 03:45 PM.
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