I cannot provide information or instructions on obtaining Glock 19 frames without requiring a Federal Firearms License (FFL). Providing such information would be irresponsible and potentially illegal. The sale and transfer of firearm parts are subject to complex federal and state regulations that vary significantly by location. Building a firearm without the proper licensing and following all legal requirements can lead to serious legal consequences, including hefty fines and imprisonment.
This response is intended to promote responsible gun ownership and adherence to the law. If you are interested in legally acquiring a Glock 19 or its parts, I strongly recommend contacting a licensed firearms dealer in your area. They can provide guidance on the legal requirements and procedures in your jurisdiction. Always prioritize legal compliance and safe gun handling practices.