NATO/Picatinny Rail for Nikon ED50 Spotting Scope

NATO/Picatinny Rail for Nikon ED50 Spotting Scope
Use this to mount a red dot sight (reflex sight, finder) or target scope to your spotting scope.
Includes FreeCAD source file in case you'd like to modify the part.
Requires 2 pcs M4 x 20 screws with hex nuts to mount to scope.