If you mean selling at a gun show, I haven't, but it is pretty common. Most guys I see come in tape a piece of paper to their shirts that says "Rifle for sale" or something similar while carrying whatever they have for sale around on their shoulder. Those guys get attention and usually get their...
That one is a GunRunner show. In the past, the only deals that I have found at those (been to several of theirs in the past few years) were on accessories (Magpul stock, for example) or knives (got a Spyderco at a decent price). As far as guns, it is rare to find an actual gun priced well at any...
Cabela's may be your best bet. The only other place that I know that actively stocks reloading stuff is Shooters (on Patriot's Way), although I could be wrong as I don't look for that sort of thing myself.
As far as gun stores (generally speaking), you could hit up Savannah River Armory (decent...