Just go buy some light load shells, Rem, Win, Fiocci, Fed, RST etc and don't worry about it. We have thread after thread here about chamber pressures being minimal, about actual hull lengths being less than nominal, ad infinitum. Remember, these things were proofed the same as fluid steel.
If a person is leary about damascus, they can bundle themselves up like Ralphie in A Christmas Story, wear a motorcycle helmet, hold the gun at arms length and pull the trigger. Absolutely nothing dire will happen. I know, because that's what I did years back.
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