Originally posted by David_G17
here's what i was told by my grandfather:
it was originally made in 1906.
and it was designated "thirty caliber of 1906". Because there previously existed an earlier .30 cal round.
it was shortened (who wants to say all that) to "thirty of '06" (pronounced 'oh-six').
then eventually became "thirty alt six".
just easier to say i guess, but i'm no historian. that's just what i heard.
Thirty aught six:
I assumed it was aught. As in, "remeber what happened back in aught five" Its an old fashioned word for zero.
1906 would be 19 aught six, shortend to aught six.
aught 2 also ought Pronunciation (ôt)
1. A cipher; zero.
2. Archaic Nothing.
edited to add: I see this has allready been adressed,nevermind.