Gunmaker shares declined in extended trade after American Outdoor Brands (NASDAQ:AOBC), formerly known as Smith & Wesson, reported FQ3 sales that were weaker than expected and said the gun business has slowed after unusual demand. "Toward the end of the quarter, consumer firearm purchasing began to cool," said James Debney, American Outdoor's president and CEO. After-hours: AOBC -7.5%; RGR -1.7%