On 9/5/2013 1:41 PM, pyotr filipivich wrote:
6.35 mm "Pistola Con Caricato

I had to Google that one, pytor.

Fugly little bruiser, isn't it.

In the 1920s steel was still becoming steel.
It wouldn't take special alloys for this one.

The .25 doesn't look like much at first glance.
It's a straight walled cartridge, center-fire,
with a semi-rimmed head.

Here are a whole bunch of diameters for you...
http://en.wikipedia.org/wiki/.25_ACP
That should be a fair start.


32 grains of bullet at 1100 fps - almost 100 ft.lb.

Hardly metal working.
You could do that - in plastic.


John Browning (
http://en.wikipedia.org/wiki/John_Browning
http://en.wikipedia.org/wiki/File:JohnBrowning.jpeg