Those Mysterious Forty-fives

[sheepherder]

Originally Posted by Edward Tinker

And from wikipedia 1mm is very small, 1.0 mm — 0.03937 inches or 5/127

Or, to put it in real world values, about 10 sheets of lined notebook paper...

That is still enough to prevent a M1906 cartridge from chambering in a .45 ACP chamber; or to prevent a .45 ACP round from being reliably fired from an M1906 chamber...(One doesn't go in far enough, the other goes too far in)...

Purely hypothetical, unless you have a time machine...<looks at door to see if Postino has returned from the future>...