I would agree, it appears to be gouging. However, it really depends on your perspective! From the point of view of those of us that HAVE components, it is gouging. From the point of view of those that NEED the components, he is engaging in free market economics (Free Enterprise). Either way, his survival is dependent upon "what the market will bear".
I'm not supporting the merchant's approach, because it could hurt the future pricing of components. However, who here would sell a 99% pre-27 Registered Magnum for the MSRP of a current manufacture Model 27? After all, the Model 27 is still being made, just like components!