There are a couple possibilities and I am drawn to the most interesting one - two actions.

I do think, in all probability, there is one pistol grip action and two pistol grip stocks.

I suspect there is only one stock with the rifle now.  And if so, is it plain or fancy?

TrevReiten said
I'll try posting this again, the first and attempt apparently didn't go through - not exactly a phone friendly forum 😁
  

For posting pics by iPhone:

Press the + icon for new post.

Scroll down and press the “paper clip icon”

Scroll down and press “add files”

Scroll down and press “photo library” 

Select your photos 

Scroll down and press “Start upload”

Wait for pics to upload. Once pics are uploaded, then scroll up a bit and press double icon far right to post. 

Hope this helps.

Bob

Mike

Bert

Bob

steve004 said

Chris D said
So two receivers shipped under the one serial number? I wonder how the serial numbers would have been stamped on each. A very interesting letter.
Chris
  

That is an interesting point.  I could imagine an, "A" and a, "B" after each serial number.  But that's just my imagination.  
  

or possibly a "½"

Bert

Bob

Chris D said
So two receivers shipped under the one serial number? I wonder how the serial numbers would have been stamped on each. A very interesting letter.
Chris
  

That is an interesting point.  I could imagine an, "A" and a, "B" after each serial number.  But that's just my imagination.  

Chris

steve004 said
For me, the key here is that it is a takedown rifle.
This was ordered as basically the opposite of ordering a rifle with two barrels/front ends.
And when a rifle was ordered with two barrel/front ends, those front ends were never identical (e.g. different chamberings and/different barrel lengths).
In this case, the stocks were different.  And as was suggested, maybe one for display and one for hunting.  
And of course, rather than the task of needing to use a screw driver to change the stocks out, the extra receiver was already attached to the buttstock, so the simple operation of the takedown mechanism made the task quite simple.
  

Very possible... and undoubtedly a "one-of-a-kind" special order.

Bert

This was ordered as basically the opposite of ordering a rifle with two barrels/front ends.

And when a rifle was ordered with two barrel/front ends, those front ends were never identical (e.g. different chamberings and/different barrel lengths).

In this case, the stocks were different.  And as was suggested, maybe one for display and one for hunting.  

And of course, rather than the task of needing to use a screw driver to change the stocks out, the extra receiver was already attached to the buttstock, so the simple operation of the takedown mechanism made the task quite simple.