Originally Posted By: Owenjj3
OK one more question for the 1868 rules of proof experts. I have a gun made in 1872 and London proofed, marked 11, and it measures .779 all the way down both barrels. Is it out of proof? What other conclusions can be drawn from these facts?

11 gauge =.751"; 10 gauge =.775". In "London" its Out of Proof.
In NC not as long as it has adequate wall thickness. If you choose to sell it in England it will require re-proof.

Miller/TN
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