Please, this is a school setting, try to get the math correct. A .45 caliber round would be in the neighborhood of .0140625" and the .223 works out to .00696875". These figures are substantially different than the one you posted. Please try to respect the intelligence of academia. That is all.

/ a two inch soldier is considered 1/32 scale, upon which these figures are based.
// getting to use my 1/32 scale modelling experience
/// also slashies as if this were Fark.com

MV