Most military-issued FEG PA-63 pistols feature a specific serial number format located on the left side of the frame. This is usually located between the trigger guard and the left grip panel.
If you provide the and any proof stamps , I can offer a more specific production range. feg pa 63 serial number lookup
Check the left side of the frame (between the trigger and grip panel), the slide, and the magazine butt. Most military-issued FEG PA-63 pistols feature a specific