M-1 Carbine, why not .45 Caliber? [Archive] - Glock Talk

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PurpleAngel
09-01-2012, 15:22
When the U.S. Military (1940?) came up with the M-1 Carbine for non-front line troops, why could they have not just have used the .45 round instead of the .30 carbine round?

banger
09-01-2012, 17:33
First, allow me to confess....

I am pulling this from my butt....

However, I seem to recall that the original spec. called for an effective range of 200 yards.

This alone would have disqualified the .45 from possible adoption.

collim1
09-01-2012, 17:40
They needed more velocity in order to have a 100+ yds effective range.