U.S. M1 Carbine Collector’s Guide: Makers, Type I/II/III, Rebuilds, Cartouches, Mixmasters

A practical, table-side guide to the USGI M1 Carbine. Includes the 10 wartime makers with quick tells, Type I/II/III feature timing, stock cartouche and rebuild stamp examples, and simple ways to spot mixmasters without overthinking it.