why not just talk to a good machine shop that has a CnC machine? You can either provide them drawings or save a bit more money and provide them the code. I\'d talk first and get a general idea of whay you are talking about:
matierials,
coding time if you don\'t provide it.
CnC run time.
number of parts is crucial. The first one is very expensive, after that, they get downright cheap - kinda like silkscreen shirts, lots of upfront costs.
Reaper is using CnC for masters on some of their CAV minis - don\'t know how much is business secrete, but they could probably point you in the right direction.
Without giveing up patent rights, can you give us a general idea of what you are after?