They did a lot of business selling guns through the mail. The Gun Control Act of 1968 put them out of business.
Death by Democrat.
At one time they even introduced their own cartridges. The .401 Herter's Powermag, a revolver cartridge, comes to mind. You could get it in a Single Action Colt clone they sold. If I recall correctly, Herter's son killed a jaguar in Arizona with it.
