Authentic or Fakes?

[72 usmc]

Also No evidence of hammer marks that indicate removal or placement on an actual rifle. Bottom to uniform. No rust or heavy nicks.:thrown:
Milling marks missing . too uniform a surface patina. on and on.... see Flip Sight Markings - The Carbine Collector's Club

here is a real one see photo:
Real Flip? - The Carbine Collector's Club
I love the smell of BS in the morning...