The owner of the company I work for says he saw one advertised when he was in SA. He got a guy here at work to contact the company about buying a dozen for us (before we found-out the state wouldn't allow us to carry longguns in our trucks). The importer's response was always, "We're trying. We don't have any idea how long it will be before the BATF will decide to tell us whether or not we can." The thing that interested the owner of the company I work for was that the Neostead's are impossible to short stroke. You pump it away from you to cycle the action, and there is a cam that keeps you from pulling the foregrip back towards you until you've cycled it completely. This was before I worked here, but the owner said he took six of the guys, who were all former cops, to a local range and not a one could work a pump without screwing it up. I've never handled a pump shotgun so I don't know what the problem was or if training could fix it. He was very interested in buying a foolproof shotgun. Of course since we learned we can't carry longguns in our armored cars, we haven't followed-up on them.
I've always wondered why someone didn't make a double mag tube for a Mossberg 500 or Remington 870. Twice the capacity for the same length and the ability to switch between the tubes (buckshot in one, slugs in the other) would be very nice. Also, not being able to short-stroke it sounds like a good thing to have in a stressful situation.z