Long story but what is this

[g7777777]

I somehow ended up with this part

Show your experience and expertise

What is this ?

3 pictures

 

[Blancoalex]

WAG, full length metal insert for rifle stock. There is some text on one pic which should give you an idea.

 

[Ol' Red]

Something that fell off of the shotgun from an overload?

 

[g7777777]

WAG, full length metal insert for rifle stock. There is some text on one pic which should give you an idea.

Very thin . The "channel" is only 3/8 of an inch

 

[RockyMtnUT]

Gene, goes to an old 12 gauge shotgun

My 2 cents

 

[K.E.C. Darkside]

Gene, goes to an old 12 gauge shotgun

My 2 cents

A Water Cool Muffler Bearing for a Shotgun.