Quote Originally Posted by Cuchulainn
In war, soldiers often adobt to their own weapons, often stolen from enemies etc. WWII, allied soldiers often threw away their M1 Carbines & used the Germanm MP40's & in Vietnam US soldiers often used the AK47 & even un-commissioned shotguns, so no, it's not totally Alien for soldiers to use un-commissioned weapons. Especially in the field.
Don't forgett, carbines were also swapped for the super rare and desireable thompsons, ganked from the corpses of fallen comrades.

You make a valid point, case closed.