Details on your handload would help us answer your question.
I've been shooting a Ruger Blackhawk with a 155 grain cast lead SWC gas checked bullet over 7.0 grains of Unique for about 40 years now with no ill effects .
I don't believe this load would be hard on a S&W model 65 .
Gary
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Last edited by gwpercle; 02-03-2020 at 07:25 PM.
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