Should you like the idea of using 7.62 NATO 147-gr. FMJBTs in the .30-06, please know that they work just fine but might not come out to the same OAL if you use the crimp groove.
I get 2 MOA out of mine all the time, in both .30-06 and 7.62 NATO.
IIRC, going the other way with M2 Ball bullets in 7.62 requires that you abandon the channelure, because the OAL on the round will be too long.
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