Concealed-carry pistols are a hot seller, along with matching holsters, self-defense cartridges and courses. The list of models, manufacturers and styles is long, but the demand for 1911 heavy metal never seems to fade. Odds are good a significant percentage of your customers own at least one or are always interested in seeing the latest models.

Having a solid selection of accessories and related gear on hand for “slabsides” is good for the bottom line, but there’s...