The traditional version is the same as the 280 Rem, 2.540" max, 2.530" trim length, The SAAMI version, 2.525" max and I would imagine the trim length be .010" less or 2.515". The cartridge print spec is 2.525" "minus" .012" or 2.513".
http://www.saami.org/PubResources/CC...20Improved.pdf
Bill
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