Truly depends on what I'm carrying, but my 1911 extra mags go owb under the shirt or jacket since I mostly carry it in the winter and it's easier to conceal. My EDC is a M&P9C that I carry IWB SOB and since I don't have a mag holder yet I don't carry it on my but the extra mag is in the truck or on the bike with the hope of fighting my way to it if need be, that is until I get off my butt and get a mag holder.
"Regardless of whether justified of not, you will feel sad about killing another human being. It is better to be sad than to be room temperature." - Joe B Fricks.
01 FFL, GOFFA, NRA, GOA, IAVA, VFW, ABATE of Iowa D15.