There were two different plant manufacturers for the Saginaw M1 Carbine. Saginaw, Michigan and Grand Rapids, Michigan. They are marked slightly different but the easiest way to tell which plant manufactured them is by the serial number. I'm looking for the Grand Rapids produced one. I would be able to tell which one is which by the SN.
If you are looking to part with one, I would be interested and I would pay a fair price.Please call or message Chris at 701-850-9135.