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Old October 7, 2018, 10:44 PM   #7
Senior Member
Join Date: April 10, 2008
Location: Alaska
Posts: 6,304
RC: you missed it again. I said 30-30 in a modern bolt action.
Ahh well, they call it perceived anticipation or some such. Never heard of a 30-30 in bolt. So off the rails I went once again!

What Savage found was that there were issues with the Ultra Mags that did not play happily with the existing barrel end that screws into the receiver.

The now have a larger barrel size (large thread) and have shifted magnums over to that as well.

Something to do with larger diameters of the RUM in the short cases.

The difference is pretty small but enough to stop the issue.
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