The thought of them amassing the market and thereby getting a discount on one of them is probably far fetched. Hopefully no arms company will buy them in bulk and resell for top $$. The cheapest new Glock is around $400. Start from there.
I suspect they will have so much interest that some kind of lottery system will be put in place, and a fixed price as you suggest.
The current production Remington R1, a 1911 type, is available in the mid-$500s (and up) and is made in the USA. They are nice guns and Remington does have a war time history with the 1911.