Unusual headstamp

[Older The Better]

Found this the other day, I’m trying to guess what happened, looks like someone tried to fire it with a rim fire setup then came back and hit it with a pin? Or is there some type of shotgun that does this? It was found deep in the woods never farmed so I highly doubt it’s a plow knick or anything

 

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[Retired Sarge]

Winchester Nublack (1905-1938) Paper shells, came in Black paper if loaded, and Yellow and Red Paper casings as empties for home loading.

Good question as to what happened. Too long to have been made by a rim fire shotgun firing pin. Wonder if maybe the firing pin on a top break center fire shotgun was protruding too far and gouged the shell when opening or closing it.

 

[Charlie P. (NY)]

As far as I know there has never been a firearm that could chamber a 12 gauge shell which used a rimfire ignition.

Maybe someone buggered it up trying to remove the primer to reload it without proper tools?

 

[Older The Better]

Both of those seem pretty plausible thanks for the ideas

 

[Retired Sarge]

As far as I know there has never been a firearm that could chamber a 12 gauge shell which used a rimfire ignition.

Maybe someone buggered it up trying to remove the primer to reload it without proper tools?

True, my brain was off in lala land and didn't even think of that, rimfire versus centerfire thing.

I had to Google reloading, I didn't know you could reload paper shells. Learned something new today.

 

[pistol-pete]

Some old break open shotguns had firing pins that would stick down, or pin is too long. then when you opened it, it would drag across the shell causing what you see here. I have seen this often as I do Gunsmithing

 

[CrankyBuzzard]

Some old break open shotguns had firing pins that would stick down, or pin is too long. then when you opened it, it would drag across the shell causing what you see here. I have seen this often as I do Gunsmithing

Yup... I have an old Ithaca double that would do this only on the port side. Haven't shot it in YEARS, but I remember that dad couldn't reload the ones like that.

 

[Older The Better]

Cool thanks! I’d mark it solved but never have been able to figure out how to do it in the app