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Old 01-19-2012, 08:13 AM
ODCMP ODCMP is offline
Join Date: Oct 2009
Location: Texas
Posts: 1,001

The barrels on mine are in 7.62x51 and are marked "7.62mm". They are both Walker barrels. I understand that the barrels on the .30-06 rifles are marked ".30". I'm sure there could be exceptions.

Here is an article on the CMP site that provides info on the various calibers and markings observed.

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