M1 Carbine Data Sheet Information
Pictures of my M1 Carbine parts I’ve found marks on after using the M1 Carbine Club Data Sheet. The most mysterious, to me at least, is the D D and series of number on the bottom of the slide box, if that is the right nomenclature.
Here you go, in no particular order. If you click through, twice, on each photo, you get the largest version, for better detailed viewing.