Bet they are the same prints drawn by W.E.S. on 7-19-90 I used twenty years ago on my 4340 billet receivers. You would think factory prints would have leaked being made in several countries as far back as the 50's. Seems like DSA use to advertise they used factory prints in receiver manufacturing. Down in Aussie land is there the "Freedom of Information Act"? If the FAL was made in a Aussie Gov't Arsenal Plant might be a possibility.
Theyre still making the old FAL's, the dress regiments use them. i'll see i can get some guys in the force to dig them up.