Those proof loads were typically done before chambering the barrels. They were very long indeed.
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I was wrong here, the "palms" proof were done on finished barrels, but did not actually require a chamber as they were much longer than the chamber.
The Ideal 16949 barrels were chambered but not assembled during proof as the "NA" mark shows.
WC-

Last edited by WildCattle; 01/02/10 06:07 PM.