receiver Marking

[bruce98k]

I would not overthink this mark, my best guess is thats its as stated, an in-house acceptance/inspection stamp used internally at Oberndorf.
I will reach out to Nate and have him check any sporters he has laying around.

 

[Fal Grunt]

I rummaged through a pile of receivers and took a quick look at a dozen or more rifles. I didn't strip any down, but here is what I do know.

My knowledge on this mark pertains to Argentine contract rifles.

Starting with the Model 1891, this mark was a firing proof mark applied to the receiver and the bolt.


It was also applied to the Model 1909 receiver and bolt.

In Webster's book on Argentine rifles he provides this:

Here is the gothic S Bruce mentioned:


Now, I know I have seen this mark applied elsewhere. I just can't seem to get my brain to spit it out.