Simple way to reduce 1st round pop - exhale into the can just before firing. It reduces the amount of O2 in the can. But there is an obvious safety risk!!!!!
I have been present at several ND's in offices (none of them mine). None of them sounded like a gunshot, even a 110g .357mag round from a 21/2" barrel. Usual reaction: "What was that?"
The smell of burned powder was more noticable than the sound of the shot.
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Sleuth
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