.303 Marked Gauge Tool... identity?

[browningautorifle]

at pic #3 you will just be able to see there is a counter sunk hole in the end of the spindle that would allow it to go over the anvil.

You can too...

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[muffett.2008]

Back in the day, we didn't reload service ammo.
I cannot see what bearing this has at all.
It would be nice to be able to read the writing on the tool though, it could give an insight into it's use.

As to it being a tool to set up equipment.......it looks pretty rough to me.

[browningautorifle]

Back in the day, we didn't reload service ammo.

This would have been a factory tool at the first stages of quality control in the factory. It's rough now because it's been allowed to rust.

[CINDERS]

I think what the jist of it is its a tool for possibly checking tolerances in the making of the cartridge Muffett as to what end is only being surmised but I stand by what I think it is, also has a scale on the spindle similar to a Redding BR powder throwers so I gather the measurement could be a +- for it to be serviceable.
But as you say if the stenciled writing on the tool be deciphered and put on the forum then this may enlighten all of us.

[Surpmil]

I would hazard a guess that this gauge was used on cases which had not yet had their necks formed.

It might have been used to gauge or at least monitor several features of the case at the same time, but perhaps the height of the anvil in the primer pocket, the centering of the pocket or even the protrusion of the primer if those were inserted before the case was necked?

Time to dig out the old TBSA 1929 I suppose.

What is scratched into it?

[browningautorifle]

What is scratched into it

Needs a touch with scotchbright...to read better.