Concealed Carry: .38 Special vs .32 Magnum(s)

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I love shooting revolvers in .32 S&W Long, .32 H&R Magnum, .327 Fed Magnum, .38 Special, .357 Magnum, and .45 ACP.

I carry a Sig P365 9mm.

The Sig P365 is a very nice platform. What is your current setup? Are your magazines flush, or do you carry the extended magazines? Red Dot? Standard Sights? Barrel Length?