model 91 test rifle

I posted these pictures over on the Gunboard's Italian Forum but only received one comment. I am surprised that is so little interest. Are these more common than I think?

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The muzzle fitting holds an electric wire to activate a chronometer.

That's really cool, definitely something you don't see everyday. I imagine a Carcano Test rifle would have had a lot of interesting tests applied due to the nature of the round (i.e. initial extremely hot burning temperature, etc.) and the nature of the rifle (gain twist rifling).

Thanks for sharing!