I doubt it's a problem. I wouldn't be surprised if the metal changes. However, I doubt they become dangerous.

The Brits send old, damascus bbled doubles through the proof house all the time. These guns pass all the time.

If there was a problem, the proofing process would reveal it and the resale of these guns would be banned in the UK.

I say load it with the appropriate loads and shoot away.

OWD


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