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You might do better with this in our Practical Tactical forum, and we might be able to answer you better with links to the items, for those of us unfamiliar with them.
It's common enough for manufacturers to prefer to sell through dealers, rather than maintain a sales operation themselves. Manufacturers also charge MSRP, of course, whereas dealers can discount.
Many discussions in Practical Tactical focus on less-than-lethal defensive tools, and a regular theme is that found weapons are often the functional equivalent of most of the more expensive toys.