Start by downloading the NFA Handbook and reading it. http://www.atf.gov/publications/firearms/nfa-handbook/
Questions specific to your location can be answered by contacting your IOI contact with the BAFTE. That person would be the final say so in the field changing your license type and inspecting your manuf. facility.
You can not do what you describe with your current FFL-01 that is a dealers license you can not manuf. anything.
You would first have to change your FFL to a type 07 manuf. license then pay the SOT yearly to be able to manuf. NFA firearms on tome of title one firearms.