M1 Carbine Production Dates
* All dates and serial numbers are approximate *
|
NPM - National Postal Meter | January | 1943 | 1549999 |
NPM - National Postal Meter | October | 1943 | 1982519 |
NPM - National Postal Meter | November | 1943 | 4079999 |
NPM - National Postal Meter | December | 1943 | 4432099 |