ProMag was never a supplier to S&W so let's get that fantasy out of the way first.

I'd like to know if these ProMags were in a sealed, clear, square plastic S&W packages (like all other current production factory S&W magazines)... or were they in those soft plastic "zip-lock" magazine-size baggies you see at the gun shows, typically with used/refurb'd magazines in them (even though they show S&W trademarks on the labels)?

I'm betting the latter.