Cnc machine part import request Canada

I am looking for a reliable supplier of CNC-machined parts for my sporting goods.
Please send the following questions as well:
1. Can you LEGALLY produce parts for HUNTING FIREARMS?
2. Do you work with 17-4PH, 4140, 4150 steels?
3. Do you have electropolishing?
4. Do you have black nitride coating?

Quantity: I need one for trials. After trials we can discuss serial production.