March 16, 2013, 01:29 PM
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#2
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Senior Member
Join Date: July 26, 2011
Location: USA
Posts: 1,730
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223 Rem Trim Length
I trim to 1.750" when the batch/lot gets a few over maximum. Mixed brass grows at different rates, so this may not work for you. The RCBS X die instruction say to trim to 1.740" or -.020" under maximum. Neck tension is reduced more with shorter necks, how much i do not know. This SAAMI drawing shows a minimum case* length of 1.730" http://www.saami.org/PubResources/CC...0Remington.pdf
Last edited by 243winxb; March 18, 2013 at 08:32 AM.
Reason: change "trim" to "case" *
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