A .223 Krag?

[Drydock]

Fascinating footnote in History:  https://www.riflemagazine.com/fouling-shots-2

[1961MJS]

Hi
I just read that headline.  That's sort of a weird idea.  It seems like a lot of case for an early American "smallbore" "assault" weapon for the US Army.  Oddly enough, the Danish Krag was an 8×58mmR, bigger than the 30 caliber and the Swedish was in their "regular" 6.5mm caliber. 

Later