'Try shooting a ported revolver from a retention position a few times and then decide whether or not you still want to carry it -- for me the answer is a huge "NO".'

I don't know what type of retention position you use, but I have practiced this many times and with the butt tucked toward torso/hip, there is no problem firing a revolver this way. If the cylinder gap gas escape is not a problem, why would the gases escaping the ports be a problem?

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Tony